# Changes to Japanese law, by date This is the Markdown twin of https://japanlaw.org/en/changes. Every law, and how to address a provision: https://japanlaw.org/llms.txt. The same laws as MCP tools (no sign-in): https://japanlaw.org/mcp. When laws on this site change: changes to come and of the past year, by day, with the amending law and, where shown here, the wording before and after. As of 1 November 2026. Where each part comes from is at the end. ## 2 November 2026 This day's page: https://japanlaw.org/en/changes/2026-11-02 - Act on the Protection of Personal Information (個人情報の保護に関する法律) — https://japanlaw.org/en/personal-information-protection-act - Amended by Act on the Arrangement, etc. of Related Acts upon the Enforcement of the Act for Establishment of the Disaster Management Agency (Act No. 62 of 2026) (防災庁設置法の施行に伴う関係法律の整備等に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000062 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000062) What changes: https://japanlaw.org/en/personal-information-protection-act/amendments/20261102_508AC0000000062; the law as amended, in Markdown: https://japanlaw.org/md/en/personal-information-protection-act/amendments/20261102_508AC0000000062/text - Whistleblower Protection Act (公益通報者保護法) — https://japanlaw.org/en/whistleblower-protection-act - Amended by Act on the Arrangement, etc. of Related Acts upon the Enforcement of the Act for Establishment of the Disaster Management Agency (Act No. 62 of 2026) (防災庁設置法の施行に伴う関係法律の整備等に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000062 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000062) What changes: https://japanlaw.org/en/whistleblower-protection-act/amendments/20261102_508AC0000000062; the law as amended, in Markdown: https://japanlaw.org/md/en/whistleblower-protection-act/amendments/20261102_508AC0000000062/text ## 30 November 2026 This day's page: https://japanlaw.org/en/changes/2026-11-30 - Financial Instruments and Exchange Act (金融商品取引法) — https://japanlaw.org/en/financial-instruments-and-exchange-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act, etc. (Act No. 79 of 2023) (金融商品取引法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000079 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000079) What changes: https://japanlaw.org/en/financial-instruments-and-exchange-act/amendments/20261130_505AC0000000079; the law as amended, in Markdown: https://japanlaw.org/md/en/financial-instruments-and-exchange-act/amendments/20261130_505AC0000000079/text ## 1 December 2026 This day's page: https://japanlaw.org/en/changes/2026-12-01 - Whistleblower Protection Act (公益通報者保護法) — https://japanlaw.org/en/whistleblower-protection-act - Amended by Act Partially Amending the Whistleblower Protection Act (Act No. 62 of 2025) (公益通報者保護法の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000062 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000062) What changes: https://japanlaw.org/en/whistleblower-protection-act/amendments/20261201_507AC0000000062; the law as amended, in Markdown: https://japanlaw.org/md/en/whistleblower-protection-act/amendments/20261201_507AC0000000062/text - Employees' Pension Insurance Act (厚生年金保険法) — https://japanlaw.org/en/employees-pension-insurance-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/employees-pension-insurance-act/amendments/20261201_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/employees-pension-insurance-act/amendments/20261201_507AC0000000074/text - Income Tax Act (所得税法) — https://japanlaw.org/en/income-tax-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/income-tax-act/amendments/20261201_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/income-tax-act/amendments/20261201_508AC0000000012/text - Regulation for Enforcement of the Income Tax Act (所得税法施行規則) — https://japanlaw.org/en/income-tax-act-enforcement-regulation - Amended by Ministerial Order Partially Amending the Regulation for Enforcement of the Income Tax Act (Ministry of Finance Order No. 17 of 2026) (所得税法施行規則の一部を改正する省令) The Act, and every law here it amends: https://japanlaw.org/en/acts/508M60000040017 (as Markdown: https://japanlaw.org/md/en/acts/508M60000040017) What changes: https://japanlaw.org/en/income-tax-act-enforcement-regulation/amendments/20261201_508M60000040017; the law as amended, in Markdown: https://japanlaw.org/md/en/income-tax-act-enforcement-regulation/amendments/20261201_508M60000040017/text - Act on Special Measures for Securing the Financial Resources Necessary to Implement Measures for Reconstruction following the Great East Japan Earthquake (東日本大震災からの復興のための施策を実施するために必要な財源の確保に関する特別措置法) — https://japanlaw.org/en/reconstruction-funding-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/reconstruction-funding-act/amendments/20261201_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/reconstruction-funding-act/amendments/20261201_508AC0000000012/text - Defined Contribution Pension Act (確定拠出年金法) — https://japanlaw.org/en/defined-contribution-pension-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/defined-contribution-pension-act/amendments/20261201_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/defined-contribution-pension-act/amendments/20261201_507AC0000000074/text - Act on Special Measures Concerning Taxation (租税特別措置法) — https://japanlaw.org/en/special-taxation-measures-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/special-taxation-measures-act/amendments/20261201_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/special-taxation-measures-act/amendments/20261201_508AC0000000012/text ## 11 December 2026 This day's page: https://japanlaw.org/en/changes/2026-12-11 - Regulation for Enforcement of the Income Tax Act (所得税法施行規則) — https://japanlaw.org/en/income-tax-act-enforcement-regulation - Amended by Ministerial Order Partially Amending the Regulation for Enforcement of the Income Tax Act (Ministry of Finance Order No. 17 of 2026) (所得税法施行規則の一部を改正する省令) The Act, and every law here it amends: https://japanlaw.org/en/acts/508M60000040017 (as Markdown: https://japanlaw.org/md/en/acts/508M60000040017) What changes: https://japanlaw.org/en/income-tax-act-enforcement-regulation/amendments/20261211_508M60000040017; the law as amended, in Markdown: https://japanlaw.org/md/en/income-tax-act-enforcement-regulation/amendments/20261211_508M60000040017/text ## 25 December 2026 This day's page: https://japanlaw.org/en/changes/2026-12-25 - School Education Act (学校教育法) — https://japanlaw.org/en/school-education-act - Amended by Act on Measures to Be Taken by School Founders, etc. and Private Education and Childcare Service Providers, etc. for the Prevention, etc. of Sexual Violence, etc. against Children (Act No. 69 of 2024) (学校設置者等及び民間教育保育等事業者による児童対象性暴力等の防止等のための措置に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000069 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000069) What changes: https://japanlaw.org/en/school-education-act/amendments/20261225_506AC0000000069; the law as amended, in Markdown: https://japanlaw.org/md/en/school-education-act/amendments/20261225_506AC0000000069/text ## 1 January 2027 This day's page: https://japanlaw.org/en/changes/2027-01-01 - Industrial Safety and Health Act (労働安全衛生法) — https://japanlaw.org/en/industrial-safety-and-health-act - Amended by Act Partially Amending the Industrial Safety and Health Act and the Working Environment Measurement Act (Act No. 33 of 2025) (労働安全衛生法及び作業環境測定法の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000033 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000033) What changes: https://japanlaw.org/en/industrial-safety-and-health-act/amendments/20270101_507AC0000000033; the law as amended, in Markdown: https://japanlaw.org/md/en/industrial-safety-and-health-act/amendments/20270101_507AC0000000033/text - Act on Ensuring the Proper Operation of Worker Dispatching Services and Protecting Dispatched Workers (労働者派遣事業の適正な運営の確保及び派遣労働者の保護等に関する法律) — https://japanlaw.org/en/worker-dispatch-act - Amended by Act Partially Amending the Industrial Safety and Health Act and the Working Environment Measurement Act (Act No. 33 of 2025) (労働安全衛生法及び作業環境測定法の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000033 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000033) What changes: https://japanlaw.org/en/worker-dispatch-act/amendments/20270101_507AC0000000033; the law as amended, in Markdown: https://japanlaw.org/md/en/worker-dispatch-act/amendments/20270101_507AC0000000033/text - Local Tax Act (地方税法) — https://japanlaw.org/en/local-tax-act - Amended by Act Partially Amending the Local Tax Act, etc. (Act No. 4 of 2024) (地方税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000004 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000004) What changes: https://japanlaw.org/en/local-tax-act/amendments/20270101_506AC0000000004; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20270101_506AC0000000004/text - Amended by Act Partially Amending the Local Tax Act and the Act Partially Amending the Local Tax Act, etc. (Act No. 7 of 2025) (地方税法及び地方税法等の一部を改正する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000007 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000007) What changes: https://japanlaw.org/en/local-tax-act/amendments/20270101_507AC0000000007; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20270101_507AC0000000007/text - Amended by Act Partially Amending the Local Tax Act, etc. (Act No. 2 of 2026) (地方税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000002 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000002) What changes: https://japanlaw.org/en/local-tax-act/amendments/20270101_508AC0000000002; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20270101_508AC0000000002/text - Income Tax Act (所得税法) — https://japanlaw.org/en/income-tax-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 3 of 2023) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000003 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000003) What changes: https://japanlaw.org/en/income-tax-act/amendments/20270101_505AC0000000003; the law as amended, in Markdown: https://japanlaw.org/md/en/income-tax-act/amendments/20270101_505AC0000000003/text - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 8 of 2024) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000008 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000008) What changes: https://japanlaw.org/en/income-tax-act/amendments/20270101_506AC0000000008; the law as amended, in Markdown: https://japanlaw.org/md/en/income-tax-act/amendments/20270101_506AC0000000008/text - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 13 of 2025) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000013 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000013) What changes: https://japanlaw.org/en/income-tax-act/amendments/20270101_507AC0000000013; the law as amended, in Markdown: https://japanlaw.org/md/en/income-tax-act/amendments/20270101_507AC0000000013/text - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/income-tax-act/amendments/20270101_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/income-tax-act/amendments/20270101_508AC0000000012/text - Regulation for Enforcement of the Income Tax Act (所得税法施行規則) — https://japanlaw.org/en/income-tax-act-enforcement-regulation - Amended by Ministerial Order Partially Amending the Regulation for Enforcement of the Income Tax Act (Ministry of Finance Order No. 12 of 2023) (所得税法施行規則の一部を改正する省令) The Act, and every law here it amends: https://japanlaw.org/en/acts/505M60000040012 (as Markdown: https://japanlaw.org/md/en/acts/505M60000040012) What changes: https://japanlaw.org/en/income-tax-act-enforcement-regulation/amendments/20270101_505M60000040012; the law as amended, in Markdown: https://japanlaw.org/md/en/income-tax-act-enforcement-regulation/amendments/20270101_505M60000040012/text - Amended by Ministerial Order Partially Amending the Regulation for Enforcement of the Income Tax Act (Ministry of Finance Order No. 18 of 2025) (所得税法施行規則の一部を改正する省令) The Act, and every law here it amends: https://japanlaw.org/en/acts/507M60000040018 (as Markdown: https://japanlaw.org/md/en/acts/507M60000040018) What changes: https://japanlaw.org/en/income-tax-act-enforcement-regulation/amendments/20270101_507M60000040018; the law as amended, in Markdown: https://japanlaw.org/md/en/income-tax-act-enforcement-regulation/amendments/20270101_507M60000040018/text - Amended by Ministerial Order Partially Amending the Regulation for Enforcement of the Income Tax Act (Ministry of Finance Order No. 17 of 2026) (所得税法施行規則の一部を改正する省令) The Act, and every law here it amends: https://japanlaw.org/en/acts/508M60000040017 (as Markdown: https://japanlaw.org/md/en/acts/508M60000040017) What changes: https://japanlaw.org/en/income-tax-act-enforcement-regulation/amendments/20270101_508M60000040017; the law as amended, in Markdown: https://japanlaw.org/md/en/income-tax-act-enforcement-regulation/amendments/20270101_508M60000040017/text - Act on Special Measures for Securing the Financial Resources Necessary to Implement Measures for Reconstruction following the Great East Japan Earthquake (東日本大震災からの復興のための施策を実施するために必要な財源の確保に関する特別措置法) — https://japanlaw.org/en/reconstruction-funding-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/reconstruction-funding-act/amendments/20270101_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/reconstruction-funding-act/amendments/20270101_508AC0000000012/text - Corporation Tax Act (法人税法) — https://japanlaw.org/en/corporation-tax-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/corporation-tax-act/amendments/20270101_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/corporation-tax-act/amendments/20270101_508AC0000000012/text - Consumption Tax Act (消費税法) — https://japanlaw.org/en/consumption-tax-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 13 of 2025) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000013 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000013) What changes: https://japanlaw.org/en/consumption-tax-act/amendments/20270101_507AC0000000013; the law as amended, in Markdown: https://japanlaw.org/md/en/consumption-tax-act/amendments/20270101_507AC0000000013/text - Inheritance Tax Act (相続税法) — https://japanlaw.org/en/inheritance-tax-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 3 of 2023) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000003 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000003) What changes: https://japanlaw.org/en/inheritance-tax-act/amendments/20270101_505AC0000000003; the law as amended, in Markdown: https://japanlaw.org/md/en/inheritance-tax-act/amendments/20270101_505AC0000000003/text - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 8 of 2024) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000008 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000008) What changes: https://japanlaw.org/en/inheritance-tax-act/amendments/20270101_506AC0000000008; the law as amended, in Markdown: https://japanlaw.org/md/en/inheritance-tax-act/amendments/20270101_506AC0000000008/text - Act on Special Measures Concerning Taxation (租税特別措置法) — https://japanlaw.org/en/special-taxation-measures-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 8 of 2024) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000008 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000008) What changes: https://japanlaw.org/en/special-taxation-measures-act/amendments/20270101_506AC0000000008; the law as amended, in Markdown: https://japanlaw.org/md/en/special-taxation-measures-act/amendments/20270101_506AC0000000008/text - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 13 of 2025) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000013 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000013) What changes: https://japanlaw.org/en/special-taxation-measures-act/amendments/20270101_507AC0000000013; the law as amended, in Markdown: https://japanlaw.org/md/en/special-taxation-measures-act/amendments/20270101_507AC0000000013/text - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/special-taxation-measures-act/amendments/20270101_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/special-taxation-measures-act/amendments/20270101_508AC0000000012/text - Act on the Use of Numbers to Identify a Specific Individual in Administrative Procedures (行政手続における特定の個人を識別するための番号の利用等に関する法律) — https://japanlaw.org/en/my-number-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/my-number-act/amendments/20270101_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/my-number-act/amendments/20270101_508AC0000000012/text ## 17 January 2027 This day's page: https://japanlaw.org/en/changes/2027-01-17 - Act on the Protection of Personal Information (個人情報の保護に関する法律) — https://japanlaw.org/en/personal-information-protection-act - Amended by Act Partially Amending the Act on the Protection of Personal Information, etc. (Act No. 56 of 2026) (個人情報の保護に関する法律等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000056 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000056) What changes: https://japanlaw.org/en/personal-information-protection-act/amendments/20270117_508AC0000000056; the law as amended, in Markdown: https://japanlaw.org/md/en/personal-information-protection-act/amendments/20270117_508AC0000000056/text - Act on the Use of Numbers to Identify a Specific Individual in Administrative Procedures (行政手続における特定の個人を識別するための番号の利用等に関する法律) — https://japanlaw.org/en/my-number-act - Amended by Act Partially Amending the Act on the Protection of Personal Information, etc. (Act No. 56 of 2026) (個人情報の保護に関する法律等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000056 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000056) What changes: https://japanlaw.org/en/my-number-act/amendments/20270117_508AC0000000056; the law as amended, in Markdown: https://japanlaw.org/md/en/my-number-act/amendments/20270117_508AC0000000056/text ## 1 March 2027 This day's page: https://japanlaw.org/en/changes/2027-03-01 - Health Insurance Act (健康保険法) — https://japanlaw.org/en/health-insurance-act - Amended by Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026) (健康保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000031) What changes: https://japanlaw.org/en/health-insurance-act/amendments/20270301_508AC0000000031; the law as amended, in Markdown: https://japanlaw.org/md/en/health-insurance-act/amendments/20270301_508AC0000000031/text - National Health Insurance Act (国民健康保険法) — https://japanlaw.org/en/national-health-insurance-act - Amended by Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026) (健康保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000031) What changes: https://japanlaw.org/en/national-health-insurance-act/amendments/20270301_508AC0000000031; the law as amended, in Markdown: https://japanlaw.org/md/en/national-health-insurance-act/amendments/20270301_508AC0000000031/text - Act on Measures against Infringement of Rights, etc. Arising from the Distribution of Information through Specified Telecommunications (特定電気通信による情報の流通によって発生する権利侵害等への対処に関する法律) — https://japanlaw.org/en/information-distribution-platform-act - Amended by Act Partially Amending the Public Offices Election Act and the Act on Measures against Infringement of Rights, etc. Arising from the Distribution of Information through Specified Telecommunications (Act No. 58 of 2026) (公職選挙法及び特定電気通信による情報の流通によって発生する権利侵害等への対処に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC1000000058 (as Markdown: https://japanlaw.org/md/en/acts/508AC1000000058) What changes: https://japanlaw.org/en/information-distribution-platform-act/amendments/20270301_508AC1000000058; the law as amended, in Markdown: https://japanlaw.org/md/en/information-distribution-platform-act/amendments/20270301_508AC1000000058/text - Act on Assurance of Medical Care for Elderly People (高齢者の医療の確保に関する法律) — https://japanlaw.org/en/elderly-medical-care-act - Amended by Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026) (健康保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000031) What changes: https://japanlaw.org/en/elderly-medical-care-act/amendments/20270301_508AC0000000031; the law as amended, in Markdown: https://japanlaw.org/md/en/elderly-medical-care-act/amendments/20270301_508AC0000000031/text ## 19 March 2027 This day's page: https://japanlaw.org/en/changes/2027-03-19 - Regulation for Enforcement of the Immigration Control and Refugee Recognition Act (出入国管理及び難民認定法施行規則) — https://japanlaw.org/en/immigration-control-act-enforcement-regulation - Amended by Ministerial Order Partially Amending the Regulation for Enforcement of the Immigration Control and Refugee Recognition Act (Ministry of Justice Order No. 43 of 2025) (出入国管理及び難民認定法施行規則の一部を改正する省令) The Act, and every law here it amends: https://japanlaw.org/en/acts/507M60000010043 (as Markdown: https://japanlaw.org/md/en/acts/507M60000010043) What changes: https://japanlaw.org/en/immigration-control-act-enforcement-regulation/amendments/20270319_507M60000010043; the law as amended, in Markdown: https://japanlaw.org/md/en/immigration-control-act-enforcement-regulation/amendments/20270319_507M60000010043/text ## By 31 March 2027 (a day set by Cabinet Order, 政令) - Unfair Competition Prevention Act (不正競争防止法) — https://japanlaw.org/en/unfair-competition-prevention-act - Amended by Act Partially Amending the Code of Criminal Procedure, etc. to Respond to Advances in Information and Communications Technology, etc. (Act No. 39 of 2025) (情報通信技術の進展等に対応するための刑事訴訟法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000039 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000039) What changes: https://japanlaw.org/en/unfair-competition-prevention-act/amendments/20270331_507AC0000000039; the law as amended, in Markdown: https://japanlaw.org/md/en/unfair-competition-prevention-act/amendments/20270331_507AC0000000039/text - Immigration Control and Refugee Recognition Act (出入国管理及び難民認定法) — https://japanlaw.org/en/immigration-control-act - Amended by Act Partially Amending the Code of Criminal Procedure, etc. to Respond to Advances in Information and Communications Technology, etc. (Act No. 39 of 2025) (情報通信技術の進展等に対応するための刑事訴訟法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000039 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000039) What changes: https://japanlaw.org/en/immigration-control-act/amendments/20270331_507AC0000000039; the law as amended, in Markdown: https://japanlaw.org/md/en/immigration-control-act/amendments/20270331_507AC0000000039/text - Act on the Punishment of Acts of Photographing Sexual Poses, etc. and the Erasure, etc. of Electronic or Magnetic Records of Images of Sexual Poses Recorded on Seized Articles (性的な姿態を撮影する行為等の処罰及び押収物に記録された性的な姿態の影像に係る電磁的記録の消去等に関する法律) — https://japanlaw.org/en/sexual-image-filming-act - Amended by Act Partially Amending the Code of Criminal Procedure, etc. to Respond to Advances in Information and Communications Technology, etc. (Act No. 39 of 2025) (情報通信技術の進展等に対応するための刑事訴訟法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000039 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000039) What changes: https://japanlaw.org/en/sexual-image-filming-act/amendments/20270331_507AC0000000039; the law as amended, in Markdown: https://japanlaw.org/md/en/sexual-image-filming-act/amendments/20270331_507AC0000000039/text ## 1 April 2027 This day's page: https://japanlaw.org/en/changes/2027-04-01 - Long-Term Care Insurance Act (介護保険法) — https://japanlaw.org/en/long-term-care-insurance-act - Amended by Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025) (医療法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000087 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000087) What changes: https://japanlaw.org/en/long-term-care-insurance-act/amendments/20270401_507AC0000000087; the law as amended, in Markdown: https://japanlaw.org/md/en/long-term-care-insurance-act/amendments/20270401_507AC0000000087/text - Amended by Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026) (健康保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000031) What changes: https://japanlaw.org/en/long-term-care-insurance-act/amendments/20270401_508AC0000000031; the law as amended, in Markdown: https://japanlaw.org/md/en/long-term-care-insurance-act/amendments/20270401_508AC0000000031/text - Amended by Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026) (社会福祉法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000051 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000051) What changes: https://japanlaw.org/en/long-term-care-insurance-act/amendments/20270401_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/long-term-care-insurance-act/amendments/20270401_508AC0000000051/text - Companies Act (会社法) — https://japanlaw.org/en/companies-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/companies-act/amendments/20270401_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/companies-act/amendments/20270401_508AC0000000064/text - Residential Basic Book Act (住民基本台帳法) — https://japanlaw.org/en/residential-basic-book-act - Amended by Act Partially Amending the Immigration Control and Refugee Recognition Act and the Act on Proper Technical Intern Training and Protection of Technical Intern Trainees (Act No. 60 of 2024) (出入国管理及び難民認定法及び外国人の技能実習の適正な実施及び技能実習生の保護に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000060 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000060) Shown with another amendment: https://japanlaw.org/en/residential-basic-book-act/amendments/20270401_507AC0000000087 - Amended by Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025) (医療法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000087 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000087) What changes: https://japanlaw.org/en/residential-basic-book-act/amendments/20270401_507AC0000000087; the law as amended, in Markdown: https://japanlaw.org/md/en/residential-basic-book-act/amendments/20270401_507AC0000000087/text - Amended by Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026) (健康保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000031) What changes: https://japanlaw.org/en/residential-basic-book-act/amendments/20270401_508AC0000000031; the law as amended, in Markdown: https://japanlaw.org/md/en/residential-basic-book-act/amendments/20270401_508AC0000000031/text - Amended by Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026) (社会福祉法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000051 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000051) What changes: https://japanlaw.org/en/residential-basic-book-act/amendments/20270401_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/residential-basic-book-act/amendments/20270401_508AC0000000051/text - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/residential-basic-book-act/amendments/20270401_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/residential-basic-book-act/amendments/20270401_508AC0000000064/text - Act on the Protection of Personal Information (個人情報の保護に関する法律) — https://japanlaw.org/en/personal-information-protection-act - Amended by Act Partially Amending the Immigration Control and Refugee Recognition Act and the Act on Proper Technical Intern Training and Protection of Technical Intern Trainees (Act No. 60 of 2024) (出入国管理及び難民認定法及び外国人の技能実習の適正な実施及び技能実習生の保護に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000060 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000060) What changes: https://japanlaw.org/en/personal-information-protection-act/amendments/20270401_506AC0000000060; the law as amended, in Markdown: https://japanlaw.org/md/en/personal-information-protection-act/amendments/20270401_506AC0000000060/text - Health Insurance Act (健康保険法) — https://japanlaw.org/en/health-insurance-act - Amended by Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025) (医療法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000087 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000087) What changes: https://japanlaw.org/en/health-insurance-act/amendments/20270401_507AC0000000087; the law as amended, in Markdown: https://japanlaw.org/md/en/health-insurance-act/amendments/20270401_507AC0000000087/text - Amended by Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026) (健康保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000031) What changes: https://japanlaw.org/en/health-insurance-act/amendments/20270401_508AC0000000031; the law as amended, in Markdown: https://japanlaw.org/md/en/health-insurance-act/amendments/20270401_508AC0000000031/text - Amended by Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026) (社会福祉法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000051 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000051) What changes: https://japanlaw.org/en/health-insurance-act/amendments/20270401_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/health-insurance-act/amendments/20270401_508AC0000000051/text - Immigration Control and Refugee Recognition Act (出入国管理及び難民認定法) — https://japanlaw.org/en/immigration-control-act - Amended by Act Partially Amending the Immigration Control and Refugee Recognition Act and the Act on Proper Technical Intern Training and Protection of Technical Intern Trainees (Act No. 60 of 2024) (出入国管理及び難民認定法及び外国人の技能実習の適正な実施及び技能実習生の保護に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000060 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000060) What changes: https://japanlaw.org/en/immigration-control-act/amendments/20270401_506AC0000000060; the law as amended, in Markdown: https://japanlaw.org/md/en/immigration-control-act/amendments/20270401_506AC0000000060/text - Ministerial Order for Defining the Criteria in the Right-Hand Column of the Entry for Highly Skilled Professional in the Appended Table I(2) of the Immigration Control and Refugee Recognition Act (出入国管理及び難民認定法別表第一の二の表の高度専門職の項の下欄の基準を定める省令) — https://japanlaw.org/en/highly-skilled-professional-criteria-ordinance - Amended by Ministerial Order on the Arrangement of Ministry of Justice Orders and on Transitional Measures upon the Enforcement of the Act Partially Amending the Immigration Control and Refugee Recognition Act and the Act on Proper Technical Intern Training and Protection of Technical Intern Trainees (Ministry of Justice Order No. 45 of 2025) (出入国管理及び難民認定法及び外国人の技能実習の適正な実施及び技能実習生の保護に関する法律の一部を改正する法律の施行に伴う法務省令の整備及び経過措置に関する省令) The Act, and every law here it amends: https://japanlaw.org/en/acts/507M60000010045 (as Markdown: https://japanlaw.org/md/en/acts/507M60000010045) What changes: https://japanlaw.org/en/highly-skilled-professional-criteria-ordinance/amendments/20270401_507M60000010045; the law as amended, in Markdown: https://japanlaw.org/md/en/highly-skilled-professional-criteria-ordinance/amendments/20270401_507M60000010045/text - Cabinet Order on the Arrangement of Related Cabinet Orders and on Transitional Measures upon the Enforcement of the Act Partially Amending the Immigration Control and Refugee Recognition Act and the Act on Proper Technical Intern Training and Protection of Technical Intern Trainees (出入国管理及び難民認定法及び外国人の技能実習の適正な実施及び技能実習生の保護に関する法律の一部を改正する法律の施行に伴う関係政令の整備及び経過措置に関する政令) — https://japanlaw.org/en/skill-development-amendment-transitional-order - The law itself comes into force as first made (not an amendment) - Immigration Control and Refugee Recognition Act Enforcement Order (出入国管理及び難民認定法施行令) — https://japanlaw.org/en/immigration-control-act-enforcement-order - Amended by Cabinet Order on the Arrangement of Related Cabinet Orders and on Transitional Measures upon the Enforcement of the Act Partially Amending the Immigration Control and Refugee Recognition Act and the Act on Proper Technical Intern Training and Protection of Technical Intern Trainees (Cabinet Order No. 341 of 2025) (出入国管理及び難民認定法及び外国人の技能実習の適正な実施及び技能実習生の保護に関する法律の一部を改正する法律の施行に伴う関係政令の整備及び経過措置に関する政令) The Act, and every law here it amends: https://japanlaw.org/en/acts/507CO0000000341 (as Markdown: https://japanlaw.org/md/en/acts/507CO0000000341) What changes: https://japanlaw.org/en/immigration-control-act-enforcement-order/amendments/20270401_507CO0000000341; the law as amended, in Markdown: https://japanlaw.org/md/en/immigration-control-act-enforcement-order/amendments/20270401_507CO0000000341/text - Regulation for Enforcement of the Immigration Control and Refugee Recognition Act (出入国管理及び難民認定法施行規則) — https://japanlaw.org/en/immigration-control-act-enforcement-regulation - Amended by Ministerial Order on the Arrangement of Ministry of Justice Orders and on Transitional Measures upon the Enforcement of the Act Partially Amending the Immigration Control and Refugee Recognition Act and the Act on Proper Technical Intern Training and Protection of Technical Intern Trainees (Ministry of Justice Order No. 45 of 2025) (出入国管理及び難民認定法及び外国人の技能実習の適正な実施及び技能実習生の保護に関する法律の一部を改正する法律の施行に伴う法務省令の整備及び経過措置に関する省令) The Act, and every law here it amends: https://japanlaw.org/en/acts/507M60000010045 (as Markdown: https://japanlaw.org/md/en/acts/507M60000010045) What changes: https://japanlaw.org/en/immigration-control-act-enforcement-regulation/amendments/20270401_507M60000010045; the law as amended, in Markdown: https://japanlaw.org/md/en/immigration-control-act-enforcement-regulation/amendments/20270401_507M60000010045/text - Ministerial Order to Provide for Criteria Pursuant to Article 7, Paragraph (1), Item (ii) of the Immigration Control and Refugee Recognition Act (出入国管理及び難民認定法第七条第一項第二号の基準を定める省令) — https://japanlaw.org/en/landing-criteria-ordinance - Amended by Ministerial Order on the Arrangement of Ministry of Justice Orders and on Transitional Measures upon the Enforcement of the Act Partially Amending the Immigration Control and Refugee Recognition Act and the Act on Proper Technical Intern Training and Protection of Technical Intern Trainees (Ministry of Justice Order No. 45 of 2025) (出入国管理及び難民認定法及び外国人の技能実習の適正な実施及び技能実習生の保護に関する法律の一部を改正する法律の施行に伴う法務省令の整備及び経過措置に関する省令) The Act, and every law here it amends: https://japanlaw.org/en/acts/507M60000010045 (as Markdown: https://japanlaw.org/md/en/acts/507M60000010045) What changes: https://japanlaw.org/en/landing-criteria-ordinance/amendments/20270401_507M60000010045; the law as amended, in Markdown: https://japanlaw.org/md/en/landing-criteria-ordinance/amendments/20270401_507M60000010045/text - Act on the Collection, etc. of Insurance Premiums of Labor Insurance (労働保険の保険料の徴収等に関する法律) — https://japanlaw.org/en/labor-insurance-premium-collection-act - Amended by Act Partially Amending the Industrial Accident Compensation Insurance Act, etc. (Act No. 60 of 2026) (労働者災害補償保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000060 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000060) What changes: https://japanlaw.org/en/labor-insurance-premium-collection-act/amendments/20270401_508AC0000000060; the law as amended, in Markdown: https://japanlaw.org/md/en/labor-insurance-premium-collection-act/amendments/20270401_508AC0000000060/text - Labor Standards Act (労働基準法) — https://japanlaw.org/en/labor-standards-act - Amended by Act Partially Amending the Industrial Accident Compensation Insurance Act, etc. (Act No. 60 of 2026) (労働者災害補償保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000060 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000060) What changes: https://japanlaw.org/en/labor-standards-act/amendments/20270401_508AC0000000060; the law as amended, in Markdown: https://japanlaw.org/md/en/labor-standards-act/amendments/20270401_508AC0000000060/text - Ordinance for Enforcement of the Labor Standards Act (労働基準法施行規則) — https://japanlaw.org/en/labor-standards-act-enforcement-ordinance - Amended by Ministerial Order Partially Amending the Ordinance on Industrial Safety and Health, etc. (Ministry of Health, Labour and Welfare Order No. 89 of 2026) (労働安全衛生規則等の一部を改正する省令) The Act, and every law here it amends: https://japanlaw.org/en/acts/508M60000100089 (as Markdown: https://japanlaw.org/md/en/acts/508M60000100089) What changes: https://japanlaw.org/en/labor-standards-act-enforcement-ordinance/amendments/20270401_508M60000100089; the law as amended, in Markdown: https://japanlaw.org/md/en/labor-standards-act-enforcement-ordinance/amendments/20270401_508M60000100089/text - Industrial Safety and Health Act (労働安全衛生法) — https://japanlaw.org/en/industrial-safety-and-health-act - Amended by Act Partially Amending the Industrial Safety and Health Act and the Working Environment Measurement Act (Act No. 33 of 2025) (労働安全衛生法及び作業環境測定法の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000033 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000033) What changes: https://japanlaw.org/en/industrial-safety-and-health-act/amendments/20270401_507AC0000000033; the law as amended, in Markdown: https://japanlaw.org/md/en/industrial-safety-and-health-act/amendments/20270401_507AC0000000033/text - Act on Ensuring the Proper Operation of Worker Dispatching Services and Protecting Dispatched Workers (労働者派遣事業の適正な運営の確保及び派遣労働者の保護等に関する法律) — https://japanlaw.org/en/worker-dispatch-act - Amended by Act Partially Amending the Industrial Safety and Health Act and the Working Environment Measurement Act (Act No. 33 of 2025) (労働安全衛生法及び作業環境測定法の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000033 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000033) What changes: https://japanlaw.org/en/worker-dispatch-act/amendments/20270401_507AC0000000033; the law as amended, in Markdown: https://japanlaw.org/md/en/worker-dispatch-act/amendments/20270401_507AC0000000033/text - Industrial Accident Compensation Insurance Act (労働者災害補償保険法) — https://japanlaw.org/en/industrial-accident-insurance-act - Amended by Act Partially Amending the Industrial Accident Compensation Insurance Act, etc. (Act No. 60 of 2026) (労働者災害補償保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000060 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000060) What changes: https://japanlaw.org/en/industrial-accident-insurance-act/amendments/20270401_508AC0000000060; the law as amended, in Markdown: https://japanlaw.org/md/en/industrial-accident-insurance-act/amendments/20270401_508AC0000000060/text - Medical Care Act (医療法) — https://japanlaw.org/en/medical-care-act - Amended by Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025) (医療法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000087 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000087) What changes: https://japanlaw.org/en/medical-care-act/amendments/20270401_507AC0000000087; the law as amended, in Markdown: https://japanlaw.org/md/en/medical-care-act/amendments/20270401_507AC0000000087/text - Amended by Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026) (健康保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000031) What changes: https://japanlaw.org/en/medical-care-act/amendments/20270401_508AC0000000031; the law as amended, in Markdown: https://japanlaw.org/md/en/medical-care-act/amendments/20270401_508AC0000000031/text - National Health Insurance Act (国民健康保険法) — https://japanlaw.org/en/national-health-insurance-act - Amended by Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025) (医療法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000087 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000087) What changes: https://japanlaw.org/en/national-health-insurance-act/amendments/20270401_507AC0000000087; the law as amended, in Markdown: https://japanlaw.org/md/en/national-health-insurance-act/amendments/20270401_507AC0000000087/text - Amended by Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026) (健康保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000031) What changes: https://japanlaw.org/en/national-health-insurance-act/amendments/20270401_508AC0000000031; the law as amended, in Markdown: https://japanlaw.org/md/en/national-health-insurance-act/amendments/20270401_508AC0000000031/text - Amended by Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026) (社会福祉法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000051 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000051) What changes: https://japanlaw.org/en/national-health-insurance-act/amendments/20270401_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/national-health-insurance-act/amendments/20270401_508AC0000000051/text - Local Tax Act (地方税法) — https://japanlaw.org/en/local-tax-act - Amended by Act Partially Amending the Immigration Control and Refugee Recognition Act and the Act on Proper Technical Intern Training and Protection of Technical Intern Trainees (Act No. 60 of 2024) (出入国管理及び難民認定法及び外国人の技能実習の適正な実施及び技能実習生の保護に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000060 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000060) What changes: https://japanlaw.org/en/local-tax-act/amendments/20270401_506AC0000000060; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20270401_506AC0000000060/text - Amended by Act Partially Amending the Local Tax Act and the Act Partially Amending the Local Tax Act, etc. (Act No. 7 of 2025) (地方税法及び地方税法等の一部を改正する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000007 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000007) What changes: https://japanlaw.org/en/local-tax-act/amendments/20270401_507AC0000000007; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20270401_507AC0000000007/text - Amended by Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025) (医療法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000087 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000087) What changes: https://japanlaw.org/en/local-tax-act/amendments/20270401_507AC0000000087; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20270401_507AC0000000087/text - Amended by Act Partially Amending the Local Tax Act, etc. (Act No. 2 of 2026) (地方税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000002 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000002) What changes: https://japanlaw.org/en/local-tax-act/amendments/20270401_508AC0000000002; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20270401_508AC0000000002/text - Amended by Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026) (健康保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000031) What changes: https://japanlaw.org/en/local-tax-act/amendments/20270401_508AC0000000031; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20270401_508AC0000000031/text - Amended by Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026) (社会福祉法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000051 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000051) What changes: https://japanlaw.org/en/local-tax-act/amendments/20270401_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20270401_508AC0000000051/text - Act on Proper Technical Intern Training and Protection of Technical Intern Trainees (外国人の技能実習の適正な実施及び技能実習生の保護に関する法律) — https://japanlaw.org/en/technical-intern-training-act - Amended by Act Partially Amending the Immigration Control and Refugee Recognition Act and the Act on Proper Technical Intern Training and Protection of Technical Intern Trainees (Act No. 60 of 2024) (出入国管理及び難民認定法及び外国人の技能実習の適正な実施及び技能実習生の保護に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000060 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000060) What changes: https://japanlaw.org/en/technical-intern-training-act/amendments/20270401_506AC0000000060; the law as amended, in Markdown: https://japanlaw.org/md/en/technical-intern-training-act/amendments/20270401_506AC0000000060/text - School Education Act (学校教育法) — https://japanlaw.org/en/school-education-act - Amended by Act Partially Amending the School Education Act, etc. (Act No. 37 of 2026) (学校教育法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000037 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000037) What changes: https://japanlaw.org/en/school-education-act/amendments/20270401_508AC0000000037; the law as amended, in Markdown: https://japanlaw.org/md/en/school-education-act/amendments/20270401_508AC0000000037/text - Income Tax Act (所得税法) — https://japanlaw.org/en/income-tax-act - Amended by Act Partially Amending the Immigration Control and Refugee Recognition Act and the Act on Proper Technical Intern Training and Protection of Technical Intern Trainees (Act No. 60 of 2024) (出入国管理及び難民認定法及び外国人の技能実習の適正な実施及び技能実習生の保護に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000060 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000060) What changes: https://japanlaw.org/en/income-tax-act/amendments/20270401_506AC0000000060; the law as amended, in Markdown: https://japanlaw.org/md/en/income-tax-act/amendments/20270401_506AC0000000060/text - Corporation Tax Act (法人税法) — https://japanlaw.org/en/corporation-tax-act - Amended by Act Partially Amending the Immigration Control and Refugee Recognition Act and the Act on Proper Technical Intern Training and Protection of Technical Intern Trainees (Act No. 60 of 2024) (出入国管理及び難民認定法及び外国人の技能実習の適正な実施及び技能実習生の保護に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000060 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000060) What changes: https://japanlaw.org/en/corporation-tax-act/amendments/20270401_506AC0000000060; the law as amended, in Markdown: https://japanlaw.org/md/en/corporation-tax-act/amendments/20270401_506AC0000000060/text - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/corporation-tax-act/amendments/20270401_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/corporation-tax-act/amendments/20270401_508AC0000000064/text - Consumption Tax Act (消費税法) — https://japanlaw.org/en/consumption-tax-act - Amended by Act Partially Amending the Immigration Control and Refugee Recognition Act and the Act on Proper Technical Intern Training and Protection of Technical Intern Trainees (Act No. 60 of 2024) (出入国管理及び難民認定法及び外国人の技能実習の適正な実施及び技能実習生の保護に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000060 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000060) What changes: https://japanlaw.org/en/consumption-tax-act/amendments/20270401_506AC0000000060; the law as amended, in Markdown: https://japanlaw.org/md/en/consumption-tax-act/amendments/20270401_506AC0000000060/text - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/consumption-tax-act/amendments/20270401_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/consumption-tax-act/amendments/20270401_508AC0000000012/text - Act on Prevention of Transfer of Criminal Proceeds (犯罪による収益の移転防止に関する法律) — https://japanlaw.org/en/criminal-proceeds-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/criminal-proceeds-act/amendments/20270401_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/criminal-proceeds-act/amendments/20270401_508AC0000000064/text - Public Assistance Act (生活保護法) — https://japanlaw.org/en/public-assistance-act - Amended by Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025) (医療法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000087 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000087) What changes: https://japanlaw.org/en/public-assistance-act/amendments/20270401_507AC0000000087; the law as amended, in Markdown: https://japanlaw.org/md/en/public-assistance-act/amendments/20270401_507AC0000000087/text - Amended by Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026) (社会福祉法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000051 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000051) What changes: https://japanlaw.org/en/public-assistance-act/amendments/20270401_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/public-assistance-act/amendments/20270401_508AC0000000051/text - Copyright Act (著作権法) — https://japanlaw.org/en/copyright-act - Amended by Act Partially Amending the School Education Act, etc. (Act No. 37 of 2026) (学校教育法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000037 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000037) What changes: https://japanlaw.org/en/copyright-act/amendments/20270401_508AC0000000037; the law as amended, in Markdown: https://japanlaw.org/md/en/copyright-act/amendments/20270401_508AC0000000037/text - Administrative Case Litigation Act (行政事件訴訟法) — https://japanlaw.org/en/administrative-case-litigation-act - Amended by Act Partially Amending the Immigration Control and Refugee Recognition Act and the Act on Proper Technical Intern Training and Protection of Technical Intern Trainees (Act No. 60 of 2024) (出入国管理及び難民認定法及び外国人の技能実習の適正な実施及び技能実習生の保護に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000060 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000060) What changes: https://japanlaw.org/en/administrative-case-litigation-act/amendments/20270401_506AC0000000060; the law as amended, in Markdown: https://japanlaw.org/md/en/administrative-case-litigation-act/amendments/20270401_506AC0000000060/text - Payment Services Act (資金決済に関する法律) — https://japanlaw.org/en/payment-services-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/payment-services-act/amendments/20270401_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/payment-services-act/amendments/20270401_508AC0000000064/text - Financial Instruments and Exchange Act (金融商品取引法) — https://japanlaw.org/en/financial-instruments-and-exchange-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/financial-instruments-and-exchange-act/amendments/20270401_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/financial-instruments-and-exchange-act/amendments/20270401_508AC0000000064/text - Banking Act (銀行法) — https://japanlaw.org/en/banking-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/banking-act/amendments/20270401_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/banking-act/amendments/20270401_508AC0000000064/text - Act on Assurance of Medical Care for Elderly People (高齢者の医療の確保に関する法律) — https://japanlaw.org/en/elderly-medical-care-act - Amended by Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025) (医療法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000087 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000087) What changes: https://japanlaw.org/en/elderly-medical-care-act/amendments/20270401_507AC0000000087; the law as amended, in Markdown: https://japanlaw.org/md/en/elderly-medical-care-act/amendments/20270401_507AC0000000087/text - Amended by Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026) (健康保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000031) What changes: https://japanlaw.org/en/elderly-medical-care-act/amendments/20270401_508AC0000000031; the law as amended, in Markdown: https://japanlaw.org/md/en/elderly-medical-care-act/amendments/20270401_508AC0000000031/text - Amended by Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026) (社会福祉法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000051 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000051) What changes: https://japanlaw.org/en/elderly-medical-care-act/amendments/20270401_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/elderly-medical-care-act/amendments/20270401_508AC0000000051/text ## By 16 April 2027 (a day set by Cabinet Order, 政令) - Act on the Protection of Personal Information (個人情報の保護に関する法律) — https://japanlaw.org/en/personal-information-protection-act - Amended by Act Partially Amending the Act on Vitalizing the Creation of Science, Technology, and Innovation (Act No. 59 of 2026) (科学技術・イノベーション創出の活性化に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000059 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000059) What changes: https://japanlaw.org/en/personal-information-protection-act/amendments/20270416_508AC0000000059; the law as amended, in Markdown: https://japanlaw.org/md/en/personal-information-protection-act/amendments/20270416_508AC0000000059/text - Local Tax Act (地方税法) — https://japanlaw.org/en/local-tax-act - Amended by Act Partially Amending the Act on Vitalizing the Creation of Science, Technology, and Innovation (Act No. 59 of 2026) (科学技術・イノベーション創出の活性化に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000059 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000059) What changes: https://japanlaw.org/en/local-tax-act/amendments/20270416_508AC0000000059; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20270416_508AC0000000059/text - Income Tax Act (所得税法) — https://japanlaw.org/en/income-tax-act - Amended by Act Partially Amending the Act on Vitalizing the Creation of Science, Technology, and Innovation (Act No. 59 of 2026) (科学技術・イノベーション創出の活性化に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000059 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000059) What changes: https://japanlaw.org/en/income-tax-act/amendments/20270416_508AC0000000059; the law as amended, in Markdown: https://japanlaw.org/md/en/income-tax-act/amendments/20270416_508AC0000000059/text - Corporation Tax Act (法人税法) — https://japanlaw.org/en/corporation-tax-act - Amended by Act Partially Amending the Act on Vitalizing the Creation of Science, Technology, and Innovation (Act No. 59 of 2026) (科学技術・イノベーション創出の活性化に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000059 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000059) What changes: https://japanlaw.org/en/corporation-tax-act/amendments/20270416_508AC0000000059; the law as amended, in Markdown: https://japanlaw.org/md/en/corporation-tax-act/amendments/20270416_508AC0000000059/text - Consumption Tax Act (消費税法) — https://japanlaw.org/en/consumption-tax-act - Amended by Act Partially Amending the Act on Vitalizing the Creation of Science, Technology, and Innovation (Act No. 59 of 2026) (科学技術・イノベーション創出の活性化に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000059 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000059) What changes: https://japanlaw.org/en/consumption-tax-act/amendments/20270416_508AC0000000059; the law as amended, in Markdown: https://japanlaw.org/md/en/consumption-tax-act/amendments/20270416_508AC0000000059/text - Administrative Case Litigation Act (行政事件訴訟法) — https://japanlaw.org/en/administrative-case-litigation-act - Amended by Act Partially Amending the Act on Vitalizing the Creation of Science, Technology, and Innovation (Act No. 59 of 2026) (科学技術・イノベーション創出の活性化に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000059 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000059) What changes: https://japanlaw.org/en/administrative-case-litigation-act/amendments/20270416_508AC0000000059; the law as amended, in Markdown: https://japanlaw.org/md/en/administrative-case-litigation-act/amendments/20270416_508AC0000000059/text ## 1 May 2027 This day's page: https://japanlaw.org/en/changes/2027-05-01 - Local Tax Act (地方税法) — https://japanlaw.org/en/local-tax-act - Amended by Act Partially Amending the Local Tax Act, etc. (Act No. 2 of 2026) (地方税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000002 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000002) What changes: https://japanlaw.org/en/local-tax-act/amendments/20270501_508AC0000000002; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20270501_508AC0000000002/text ## 20 May 2027 This day's page: https://japanlaw.org/en/changes/2027-05-20 - Health Insurance Act (健康保険法) — https://japanlaw.org/en/health-insurance-act - Amended by Act Partially Amending the Act on Securing Quality, Efficacy and Safety of Products Including Pharmaceuticals and Medical Devices, etc. (Act No. 37 of 2025) (医薬品、医療機器等の品質、有効性及び安全性の確保等に関する法律等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000037 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000037) What changes: https://japanlaw.org/en/health-insurance-act/amendments/20270520_507AC0000000037; the law as amended, in Markdown: https://japanlaw.org/md/en/health-insurance-act/amendments/20270520_507AC0000000037/text - Local Tax Act (地方税法) — https://japanlaw.org/en/local-tax-act - Amended by Act Partially Amending the Local Tax Act, etc. (Act No. 2 of 2026) (地方税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000002 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000002) What changes: https://japanlaw.org/en/local-tax-act/amendments/20270520_508AC0000000002; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20270520_508AC0000000002/text - Act on Special Measures Concerning Taxation (租税特別措置法) — https://japanlaw.org/en/special-taxation-measures-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/special-taxation-measures-act/amendments/20270520_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/special-taxation-measures-act/amendments/20270520_508AC0000000012/text - Act on Assurance of Medical Care for Elderly People (高齢者の医療の確保に関する法律) — https://japanlaw.org/en/elderly-medical-care-act - Amended by Act Partially Amending the Act on Securing Quality, Efficacy and Safety of Products Including Pharmaceuticals and Medical Devices, etc. (Act No. 37 of 2025) (医薬品、医療機器等の品質、有効性及び安全性の確保等に関する法律等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000037 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000037) What changes: https://japanlaw.org/en/elderly-medical-care-act/amendments/20270520_507AC0000000037; the law as amended, in Markdown: https://japanlaw.org/md/en/elderly-medical-care-act/amendments/20270520_507AC0000000037/text ## 1 June 2027 This day's page: https://japanlaw.org/en/changes/2027-06-01 - Residential Basic Book Act (住民基本台帳法) — https://japanlaw.org/en/residential-basic-book-act - Amended by Act Partially Amending the Volunteer Probation Officer Act, etc. to Enhance the Offenders Rehabilitation System (Act No. 82 of 2025) (更生保護制度の充実を図るための保護司法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000082 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000082) What changes: https://japanlaw.org/en/residential-basic-book-act/amendments/20270601_507AC0000000082; the law as amended, in Markdown: https://japanlaw.org/md/en/residential-basic-book-act/amendments/20270601_507AC0000000082/text ## By 9 June 2027 (a day set by Cabinet Order, 政令) - Act on Prevention of Transfer of Criminal Proceeds (犯罪による収益の移転防止に関する法律) — https://japanlaw.org/en/criminal-proceeds-act - Amended by Act Partially Amending the Act on Prevention of Transfer of Criminal Proceeds (Act No. 34 of 2026) (犯罪による収益の移転防止に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000034 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000034) What changes: https://japanlaw.org/en/criminal-proceeds-act/amendments/20270609_508AC0000000034; the law as amended, in Markdown: https://japanlaw.org/md/en/criminal-proceeds-act/amendments/20270609_508AC0000000034/text ## By 18 June 2027 (a day set by Cabinet Order, 政令) - Residential Basic Book Act (住民基本台帳法) — https://japanlaw.org/en/residential-basic-book-act - Amended by Act on the Development of Related Acts for the Promotion of Reform to Enhance Regional Autonomy and Independence (Act No. 53 of 2024) (地域の自主性及び自立性を高めるための改革の推進を図るための関係法律の整備に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000053 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000053) Shown with another amendment: https://japanlaw.org/en/residential-basic-book-act/amendments/20270722_508AC0000000064 ## By 23 June 2027 (a day set by Cabinet Order, 政令) - Civil Code (民法) — https://japanlaw.org/en/civil-code - Amended by Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) (民法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000045 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000045) What changes: https://japanlaw.org/en/civil-code/amendments/20270623_508AC0000000045; the law as amended, in Markdown: https://japanlaw.org/md/en/civil-code/amendments/20270623_508AC0000000045/text ## By 22 July 2027 (a day set by Cabinet Order, 政令) - Companies Act (会社法) — https://japanlaw.org/en/companies-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/companies-act/amendments/20270722_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/companies-act/amendments/20270722_508AC0000000064/text - Residential Basic Book Act (住民基本台帳法) — https://japanlaw.org/en/residential-basic-book-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/residential-basic-book-act/amendments/20270722_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/residential-basic-book-act/amendments/20270722_508AC0000000064/text - Income Tax Act (所得税法) — https://japanlaw.org/en/income-tax-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/income-tax-act/amendments/20270722_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/income-tax-act/amendments/20270722_508AC0000000064/text - Corporation Tax Act (法人税法) — https://japanlaw.org/en/corporation-tax-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/corporation-tax-act/amendments/20270722_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/corporation-tax-act/amendments/20270722_508AC0000000064/text - Act on Specified Commercial Transactions (特定商取引に関する法律) — https://japanlaw.org/en/specified-commercial-transactions-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/specified-commercial-transactions-act/amendments/20270722_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/specified-commercial-transactions-act/amendments/20270722_508AC0000000064/text - Act on Special Measures Concerning Taxation (租税特別措置法) — https://japanlaw.org/en/special-taxation-measures-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/special-taxation-measures-act/amendments/20270722_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/special-taxation-measures-act/amendments/20270722_508AC0000000064/text - Payment Services Act (資金決済に関する法律) — https://japanlaw.org/en/payment-services-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/payment-services-act/amendments/20270722_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/payment-services-act/amendments/20270722_508AC0000000064/text - Financial Instruments and Exchange Act (金融商品取引法) — https://japanlaw.org/en/financial-instruments-and-exchange-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/financial-instruments-and-exchange-act/amendments/20270722_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/financial-instruments-and-exchange-act/amendments/20270722_508AC0000000064/text - Banking Act (銀行法) — https://japanlaw.org/en/banking-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/banking-act/amendments/20270722_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/banking-act/amendments/20270722_508AC0000000064/text ## 1 September 2027 This day's page: https://japanlaw.org/en/changes/2027-09-01 - Employees' Pension Insurance Act (厚生年金保険法) — https://japanlaw.org/en/employees-pension-insurance-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/employees-pension-insurance-act/amendments/20270901_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/employees-pension-insurance-act/amendments/20270901_507AC0000000074/text ## 1 October 2027 This day's page: https://japanlaw.org/en/changes/2027-10-01 - Health Insurance Act (健康保険法) — https://japanlaw.org/en/health-insurance-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/health-insurance-act/amendments/20271001_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/health-insurance-act/amendments/20271001_507AC0000000074/text - Medical Care Act (医療法) — https://japanlaw.org/en/medical-care-act - Amended by Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025) (医療法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000087 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000087) What changes: https://japanlaw.org/en/medical-care-act/amendments/20271001_507AC0000000087; the law as amended, in Markdown: https://japanlaw.org/md/en/medical-care-act/amendments/20271001_507AC0000000087/text - Employees' Pension Insurance Act (厚生年金保険法) — https://japanlaw.org/en/employees-pension-insurance-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/employees-pension-insurance-act/amendments/20271001_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/employees-pension-insurance-act/amendments/20271001_507AC0000000074/text - National Pension Act (国民年金法) — https://japanlaw.org/en/national-pension-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/national-pension-act/amendments/20271001_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/national-pension-act/amendments/20271001_507AC0000000074/text - Act on General Rules for National Taxes (国税通則法) — https://japanlaw.org/en/national-tax-general-rules-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/national-tax-general-rules-act/amendments/20271001_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/national-tax-general-rules-act/amendments/20271001_508AC0000000012/text - Local Tax Act (地方税法) — https://japanlaw.org/en/local-tax-act - Amended by Act Partially Amending the Local Tax Act, etc. (Act No. 2 of 2026) (地方税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000002 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000002) What changes: https://japanlaw.org/en/local-tax-act/amendments/20271001_508AC0000000002; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20271001_508AC0000000002/text - Consumption Tax Act (消費税法) — https://japanlaw.org/en/consumption-tax-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/consumption-tax-act/amendments/20271001_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/consumption-tax-act/amendments/20271001_508AC0000000012/text - Act on Prevention of Transfer of Criminal Proceeds (犯罪による収益の移転防止に関する法律) — https://japanlaw.org/en/criminal-proceeds-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/criminal-proceeds-act/amendments/20271001_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/criminal-proceeds-act/amendments/20271001_508AC0000000064/text - Financial Instruments and Exchange Act (金融商品取引法) — https://japanlaw.org/en/financial-instruments-and-exchange-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/financial-instruments-and-exchange-act/amendments/20271001_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/financial-instruments-and-exchange-act/amendments/20271001_508AC0000000064/text ## By 11 December 2027 (a day set by Cabinet Order, 政令) - Medical Care Act (医療法) — https://japanlaw.org/en/medical-care-act - Amended by Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025) (医療法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000087 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000087) What changes: https://japanlaw.org/en/medical-care-act/amendments/20271211_507AC0000000087; the law as amended, in Markdown: https://japanlaw.org/md/en/medical-care-act/amendments/20271211_507AC0000000087/text ## By 24 December 2027 (a day set by Cabinet Order, 政令) - Long-Term Care Insurance Act (介護保険法) — https://japanlaw.org/en/long-term-care-insurance-act - Amended by Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026) (社会福祉法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000051 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000051) What changes: https://japanlaw.org/en/long-term-care-insurance-act/amendments/20271224_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/long-term-care-insurance-act/amendments/20271224_508AC0000000051/text - Residential Basic Book Act (住民基本台帳法) — https://japanlaw.org/en/residential-basic-book-act - Amended by Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026) (社会福祉法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000051 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000051) What changes: https://japanlaw.org/en/residential-basic-book-act/amendments/20271224_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/residential-basic-book-act/amendments/20271224_508AC0000000051/text ## 1 January 2028 This day's page: https://japanlaw.org/en/changes/2028-01-01 - Local Tax Act (地方税法) — https://japanlaw.org/en/local-tax-act - Amended by Act Partially Amending the Local Tax Act, etc. (Act No. 2 of 2026) (地方税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000002 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000002) What changes: https://japanlaw.org/en/local-tax-act/amendments/20280101_508AC0000000002; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20280101_508AC0000000002/text ## 1 April 2028 This day's page: https://japanlaw.org/en/changes/2028-04-01 - Industrial Safety and Health Act (労働安全衛生法) — https://japanlaw.org/en/industrial-safety-and-health-act - Amended by Act Partially Amending the Industrial Safety and Health Act and the Working Environment Measurement Act (Act No. 33 of 2025) (労働安全衛生法及び作業環境測定法の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000033 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000033) What changes: https://japanlaw.org/en/industrial-safety-and-health-act/amendments/20280401_507AC0000000033; the law as amended, in Markdown: https://japanlaw.org/md/en/industrial-safety-and-health-act/amendments/20280401_507AC0000000033/text - Medical Care Act (医療法) — https://japanlaw.org/en/medical-care-act - Amended by Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025) (医療法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000087 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000087) What changes: https://japanlaw.org/en/medical-care-act/amendments/20280401_507AC0000000087; the law as amended, in Markdown: https://japanlaw.org/md/en/medical-care-act/amendments/20280401_507AC0000000087/text - Employees' Pension Insurance Act (厚生年金保険法) — https://japanlaw.org/en/employees-pension-insurance-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/employees-pension-insurance-act/amendments/20280401_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/employees-pension-insurance-act/amendments/20280401_507AC0000000074/text - National Health Insurance Act (国民健康保険法) — https://japanlaw.org/en/national-health-insurance-act - Amended by Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026) (健康保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000031) What changes: https://japanlaw.org/en/national-health-insurance-act/amendments/20280401_508AC0000000031; the law as amended, in Markdown: https://japanlaw.org/md/en/national-health-insurance-act/amendments/20280401_508AC0000000031/text - National Pension Act (国民年金法) — https://japanlaw.org/en/national-pension-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/national-pension-act/amendments/20280401_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/national-pension-act/amendments/20280401_507AC0000000074/text - Act on General Rules for National Taxes (国税通則法) — https://japanlaw.org/en/national-tax-general-rules-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/national-tax-general-rules-act/amendments/20280401_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/national-tax-general-rules-act/amendments/20280401_508AC0000000012/text - Local Tax Act (地方税法) — https://japanlaw.org/en/local-tax-act - Amended by Act Partially Amending the Local Tax Act, etc. (Act No. 2 of 2026) (地方税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000002 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000002) What changes: https://japanlaw.org/en/local-tax-act/amendments/20280401_508AC0000000002; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20280401_508AC0000000002/text - Consumption Tax Act (消費税法) — https://japanlaw.org/en/consumption-tax-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/consumption-tax-act/amendments/20280401_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/consumption-tax-act/amendments/20280401_508AC0000000012/text - Act on Special Measures Concerning Taxation (租税特別措置法) — https://japanlaw.org/en/special-taxation-measures-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/special-taxation-measures-act/amendments/20280401_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/special-taxation-measures-act/amendments/20280401_508AC0000000012/text ## By 2 June 2028 (a day set by Cabinet Order, 政令) - Family Register Act (戸籍法) — https://japanlaw.org/en/family-register-act - Amended by Act on the Development of Related Acts for the Promotion of Reform to Enhance Regional Autonomy and Independence (Act No. 27 of 2026) (地域の自主性及び自立性を高めるための改革の推進を図るための関係法律の整備に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000027 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000027) What changes: https://japanlaw.org/en/family-register-act/amendments/20280602_508AC0000000027; the law as amended, in Markdown: https://japanlaw.org/md/en/family-register-act/amendments/20280602_508AC0000000027/text ## By 4 June 2028 (a day set by Cabinet Order, 政令) - Residential Basic Book Act (住民基本台帳法) — https://japanlaw.org/en/residential-basic-book-act - Amended by Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026) (健康保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000031) What changes: https://japanlaw.org/en/residential-basic-book-act/amendments/20280604_508AC0000000031; the law as amended, in Markdown: https://japanlaw.org/md/en/residential-basic-book-act/amendments/20280604_508AC0000000031/text - Health Insurance Act (健康保険法) — https://japanlaw.org/en/health-insurance-act - Amended by Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026) (健康保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000031) What changes: https://japanlaw.org/en/health-insurance-act/amendments/20280604_508AC0000000031; the law as amended, in Markdown: https://japanlaw.org/md/en/health-insurance-act/amendments/20280604_508AC0000000031/text - National Health Insurance Act (国民健康保険法) — https://japanlaw.org/en/national-health-insurance-act - Amended by Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026) (健康保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000031) What changes: https://japanlaw.org/en/national-health-insurance-act/amendments/20280604_508AC0000000031; the law as amended, in Markdown: https://japanlaw.org/md/en/national-health-insurance-act/amendments/20280604_508AC0000000031/text - Local Tax Act (地方税法) — https://japanlaw.org/en/local-tax-act - Amended by Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026) (健康保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000031) What changes: https://japanlaw.org/en/local-tax-act/amendments/20280604_508AC0000000031; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20280604_508AC0000000031/text - Act on the Use of Numbers to Identify a Specific Individual in Administrative Procedures (行政手続における特定の個人を識別するための番号の利用等に関する法律) — https://japanlaw.org/en/my-number-act - Amended by Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026) (健康保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000031) What changes: https://japanlaw.org/en/my-number-act/amendments/20280604_508AC0000000031; the law as amended, in Markdown: https://japanlaw.org/md/en/my-number-act/amendments/20280604_508AC0000000031/text - Act on Assurance of Medical Care for Elderly People (高齢者の医療の確保に関する法律) — https://japanlaw.org/en/elderly-medical-care-act - Amended by Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026) (健康保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000031) What changes: https://japanlaw.org/en/elderly-medical-care-act/amendments/20280604_508AC0000000031; the law as amended, in Markdown: https://japanlaw.org/md/en/elderly-medical-care-act/amendments/20280604_508AC0000000031/text ## By 13 June 2028 (a day set by Cabinet Order, 政令) - Companies Act (会社法) — https://japanlaw.org/en/companies-act - Amended by Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023) (民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000053 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000053) What changes: https://japanlaw.org/en/companies-act/amendments/20280613_505AC0000000053; the law as amended, in Markdown: https://japanlaw.org/md/en/companies-act/amendments/20280613_505AC0000000053/text - Act on Land and Building Leases (借地借家法) — https://japanlaw.org/en/land-and-building-leases-act - Amended by Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023) (民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000053 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000053) What changes: https://japanlaw.org/en/land-and-building-leases-act/amendments/20280613_505AC0000000053; the law as amended, in Markdown: https://japanlaw.org/md/en/land-and-building-leases-act/amendments/20280613_505AC0000000053/text - Labor Tribunal Act (労働審判法) — https://japanlaw.org/en/labor-tribunal-act - Amended by Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023) (民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000053 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000053) What changes: https://japanlaw.org/en/labor-tribunal-act/amendments/20280613_505AC0000000053; the law as amended, in Markdown: https://japanlaw.org/md/en/labor-tribunal-act/amendments/20280613_505AC0000000053/text - Labor Union Act (労働組合法) — https://japanlaw.org/en/labor-union-act - Amended by Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023) (民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000053 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000053) Listed with the law's amendments: https://japanlaw.org/en/labor-union-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/324AC0000000174/20280613_505AC0000000053 - Employees' Pension Insurance Act (厚生年金保険法) — https://japanlaw.org/en/employees-pension-insurance-act - Amended by Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023) (民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000053 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000053) Listed with the law's amendments: https://japanlaw.org/en/employees-pension-insurance-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/329AC0000000115/20280613_505AC0000000053 - Act on General Rules for National Taxes (国税通則法) — https://japanlaw.org/en/national-tax-general-rules-act - Amended by Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023) (民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000053 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000053) Listed with the law's amendments: https://japanlaw.org/en/national-tax-general-rules-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/337AC0000000066/20280613_505AC0000000053 - Family Register Act (戸籍法) — https://japanlaw.org/en/family-register-act - Amended by Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023) (民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000053 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000053) What changes: https://japanlaw.org/en/family-register-act/amendments/20280613_505AC0000000053; the law as amended, in Markdown: https://japanlaw.org/md/en/family-register-act/amendments/20280613_505AC0000000053/text - Civil Enforcement Act (民事執行法) — https://japanlaw.org/en/civil-enforcement-act - Amended by Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023) (民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000053 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000053) What changes: https://japanlaw.org/en/civil-enforcement-act/amendments/20280613_505AC0000000053; the law as amended, in Markdown: https://japanlaw.org/md/en/civil-enforcement-act/amendments/20280613_505AC0000000053/text - Civil Mediation Act (民事調停法) — https://japanlaw.org/en/civil-mediation-act - Amended by Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023) (民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000053 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000053) What changes: https://japanlaw.org/en/civil-mediation-act/amendments/20280613_505AC0000000053; the law as amended, in Markdown: https://japanlaw.org/md/en/civil-mediation-act/amendments/20280613_505AC0000000053/text - Civil Code (民法) — https://japanlaw.org/en/civil-code - Amended by Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023) (民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000053 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000053) What changes: https://japanlaw.org/en/civil-code/amendments/20280613_505AC0000000053; the law as amended, in Markdown: https://japanlaw.org/md/en/civil-code/amendments/20280613_505AC0000000053/text - Act on Measures against Infringement of Rights, etc. Arising from the Distribution of Information through Specified Telecommunications (特定電気通信による情報の流通によって発生する権利侵害等への対処に関する法律) — https://japanlaw.org/en/information-distribution-platform-act - Amended by Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023) (民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000053 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000053) What changes: https://japanlaw.org/en/information-distribution-platform-act/amendments/20280613_505AC0000000053; the law as amended, in Markdown: https://japanlaw.org/md/en/information-distribution-platform-act/amendments/20280613_505AC0000000053/text - Bankruptcy Act (破産法) — https://japanlaw.org/en/bankruptcy-act - Amended by Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023) (民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000053 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000053) What changes: https://japanlaw.org/en/bankruptcy-act/amendments/20280613_505AC0000000053; the law as amended, in Markdown: https://japanlaw.org/md/en/bankruptcy-act/amendments/20280613_505AC0000000053/text - Act on Public Consultants on Social and Labour Insurance (社会保険労務士法) — https://japanlaw.org/en/labor-and-social-security-attorney-act - Amended by Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023) (民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000053 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000053) What changes: https://japanlaw.org/en/labor-and-social-security-attorney-act/amendments/20280613_505AC0000000053; the law as amended, in Markdown: https://japanlaw.org/md/en/labor-and-social-security-attorney-act/amendments/20280613_505AC0000000053/text - Copyright Act (著作権法) — https://japanlaw.org/en/copyright-act - Amended by Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023) (民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000053 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000053) Listed with the law's amendments: https://japanlaw.org/en/copyright-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/345AC0000000048/20280613_505AC0000000053 - Act on the Prevention of Spousal Violence and the Protection of Victims (配偶者からの暴力の防止及び被害者の保護等に関する法律) — https://japanlaw.org/en/spousal-violence-act - Amended by Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023) (民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000053 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000053) What changes: https://japanlaw.org/en/spousal-violence-act/amendments/20280613_505AC0000000053; the law as amended, in Markdown: https://japanlaw.org/md/en/spousal-violence-act/amendments/20280613_505AC0000000053/text - Financial Instruments and Exchange Act (金融商品取引法) — https://japanlaw.org/en/financial-instruments-and-exchange-act - Amended by Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023) (民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000053 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000053) What changes: https://japanlaw.org/en/financial-instruments-and-exchange-act/amendments/20280613_505AC0000000053; the law as amended, in Markdown: https://japanlaw.org/md/en/financial-instruments-and-exchange-act/amendments/20280613_505AC0000000053/text - Banking Act (銀行法) — https://japanlaw.org/en/banking-act - Amended by Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023) (民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000053 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000053) What changes: https://japanlaw.org/en/banking-act/amendments/20280613_505AC0000000053; the law as amended, in Markdown: https://japanlaw.org/md/en/banking-act/amendments/20280613_505AC0000000053/text ## By 24 June 2028 (a day set by Cabinet Order, 政令) - Long-Term Care Insurance Act (介護保険法) — https://japanlaw.org/en/long-term-care-insurance-act - Amended by Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026) (社会福祉法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000051 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000051) What changes: https://japanlaw.org/en/long-term-care-insurance-act/amendments/20280624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/long-term-care-insurance-act/amendments/20280624_508AC0000000051/text - National Health Insurance Act (国民健康保険法) — https://japanlaw.org/en/national-health-insurance-act - Amended by Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026) (社会福祉法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000051 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000051) What changes: https://japanlaw.org/en/national-health-insurance-act/amendments/20280624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/national-health-insurance-act/amendments/20280624_508AC0000000051/text - Public Assistance Act (生活保護法) — https://japanlaw.org/en/public-assistance-act - Amended by Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026) (社会福祉法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000051 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000051) What changes: https://japanlaw.org/en/public-assistance-act/amendments/20280624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/public-assistance-act/amendments/20280624_508AC0000000051/text - Act on Assurance of Medical Care for Elderly People (高齢者の医療の確保に関する法律) — https://japanlaw.org/en/elderly-medical-care-act - Amended by Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026) (社会福祉法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000051 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000051) What changes: https://japanlaw.org/en/elderly-medical-care-act/amendments/20280624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/elderly-medical-care-act/amendments/20280624_508AC0000000051/text ## By 16 July 2028 (a day set by Cabinet Order, 政令) - Act on the Protection of Personal Information (個人情報の保護に関する法律) — https://japanlaw.org/en/personal-information-protection-act - Amended by Act Partially Amending the Act on the Protection of Personal Information, etc. (Act No. 56 of 2026) (個人情報の保護に関する法律等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000056 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000056) What changes: https://japanlaw.org/en/personal-information-protection-act/amendments/20280716_508AC0000000056; the law as amended, in Markdown: https://japanlaw.org/md/en/personal-information-protection-act/amendments/20280716_508AC0000000056/text - Act on the Use of Numbers to Identify a Specific Individual in Administrative Procedures (行政手続における特定の個人を識別するための番号の利用等に関する法律) — https://japanlaw.org/en/my-number-act - Amended by Act Partially Amending the Act on the Protection of Personal Information, etc. (Act No. 56 of 2026) (個人情報の保護に関する法律等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000056 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000056) What changes: https://japanlaw.org/en/my-number-act/amendments/20280716_508AC0000000056; the law as amended, in Markdown: https://japanlaw.org/md/en/my-number-act/amendments/20280716_508AC0000000056/text ## 1 September 2028 This day's page: https://japanlaw.org/en/changes/2028-09-01 - Employees' Pension Insurance Act (厚生年金保険法) — https://japanlaw.org/en/employees-pension-insurance-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/employees-pension-insurance-act/amendments/20280901_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/employees-pension-insurance-act/amendments/20280901_507AC0000000074/text ## 1 October 2028 This day's page: https://japanlaw.org/en/changes/2028-10-01 - Residential Basic Book Act (住民基本台帳法) — https://japanlaw.org/en/residential-basic-book-act - Amended by Act Partially Amending the Employment Insurance Act, etc. (Act No. 26 of 2024) (雇用保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000026 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000026) Shown with another amendment: https://japanlaw.org/en/residential-basic-book-act/amendments/20281211_507AC0000000087 - Employment Insurance Act (雇用保険法) — https://japanlaw.org/en/employment-insurance-act - Amended by Act Partially Amending the Employment Insurance Act, etc. (Act No. 26 of 2024) (雇用保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000026 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000026) What changes: https://japanlaw.org/en/employment-insurance-act/amendments/20281001_506AC0000000026; the law as amended, in Markdown: https://japanlaw.org/md/en/employment-insurance-act/amendments/20281001_506AC0000000026/text ## By 31 October 2028 (a day set by Cabinet Order, 政令) - Immigration Control and Refugee Recognition Act (出入国管理及び難民認定法) — https://japanlaw.org/en/immigration-control-act - Amended by Act Partially Amending the Immigration Control and Refugee Recognition Act and the Act on Special Provisions for Applications for Landing by Foreign Nationals Holding Passports Referred to in Article 2, Item (v), (b) of the Immigration Control and Refugee Recognition Act (Act No. 32 of 2026) (出入国管理及び難民認定法及び出入国管理及び難民認定法第二条第五号ロの旅券を所持する外国人の上陸申請の特例に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000032 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000032) What changes: https://japanlaw.org/en/immigration-control-act/amendments/20281031_508AC0000000032; the law as amended, in Markdown: https://japanlaw.org/md/en/immigration-control-act/amendments/20281031_508AC0000000032/text ## By 11 December 2028 (a day set by Cabinet Order, 政令) - Long-Term Care Insurance Act (介護保険法) — https://japanlaw.org/en/long-term-care-insurance-act - Amended by Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025) (医療法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000087 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000087) What changes: https://japanlaw.org/en/long-term-care-insurance-act/amendments/20281211_507AC0000000087; the law as amended, in Markdown: https://japanlaw.org/md/en/long-term-care-insurance-act/amendments/20281211_507AC0000000087/text - Residential Basic Book Act (住民基本台帳法) — https://japanlaw.org/en/residential-basic-book-act - Amended by Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025) (医療法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000087 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000087) What changes: https://japanlaw.org/en/residential-basic-book-act/amendments/20281211_507AC0000000087; the law as amended, in Markdown: https://japanlaw.org/md/en/residential-basic-book-act/amendments/20281211_507AC0000000087/text - Health Insurance Act (健康保険法) — https://japanlaw.org/en/health-insurance-act - Amended by Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025) (医療法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000087 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000087) What changes: https://japanlaw.org/en/health-insurance-act/amendments/20281211_507AC0000000087; the law as amended, in Markdown: https://japanlaw.org/md/en/health-insurance-act/amendments/20281211_507AC0000000087/text - National Health Insurance Act (国民健康保険法) — https://japanlaw.org/en/national-health-insurance-act - Amended by Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025) (医療法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000087 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000087) What changes: https://japanlaw.org/en/national-health-insurance-act/amendments/20281211_507AC0000000087; the law as amended, in Markdown: https://japanlaw.org/md/en/national-health-insurance-act/amendments/20281211_507AC0000000087/text - Local Tax Act (地方税法) — https://japanlaw.org/en/local-tax-act - Amended by Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025) (医療法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000087 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000087) What changes: https://japanlaw.org/en/local-tax-act/amendments/20281211_507AC0000000087; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20281211_507AC0000000087/text - Act on Assurance of Medical Care for Elderly People (高齢者の医療の確保に関する法律) — https://japanlaw.org/en/elderly-medical-care-act - Amended by Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025) (医療法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000087 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000087) What changes: https://japanlaw.org/en/elderly-medical-care-act/amendments/20281211_507AC0000000087; the law as amended, in Markdown: https://japanlaw.org/md/en/elderly-medical-care-act/amendments/20281211_507AC0000000087/text ## By 18 December 2028 (a day set by Cabinet Order, 政令) - Residential Basic Book Act (住民基本台帳法) — https://japanlaw.org/en/residential-basic-book-act - Amended by Act Partially Amending the Act on Waste Management and Public Cleaning, etc. (Act No. 43 of 2026) (廃棄物の処理及び清掃に関する法律等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000043 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000043) What changes: https://japanlaw.org/en/residential-basic-book-act/amendments/20281218_508AC0000000043; the law as amended, in Markdown: https://japanlaw.org/md/en/residential-basic-book-act/amendments/20281218_508AC0000000043/text ## By 23 December 2028 (a day set by Cabinet Order, 政令) - Civil Code (民法) — https://japanlaw.org/en/civil-code - Amended by Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) (民法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000045 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000045) What changes: https://japanlaw.org/en/civil-code/amendments/20281223_508AC0000000045; the law as amended, in Markdown: https://japanlaw.org/md/en/civil-code/amendments/20281223_508AC0000000045/text ## By 31 March 2029 (a day set by Cabinet Order, 政令) - Residential Basic Book Act (住民基本台帳法) — https://japanlaw.org/en/residential-basic-book-act - Amended by Act Partially Amending the Immigration Control and Refugee Recognition Act and the Act on Special Provisions for Applications for Landing by Foreign Nationals Holding Passports Referred to in Article 2, Item (v), (b) of the Immigration Control and Refugee Recognition Act (Act No. 32 of 2026) (出入国管理及び難民認定法及び出入国管理及び難民認定法第二条第五号ロの旅券を所持する外国人の上陸申請の特例に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000032 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000032) What changes: https://japanlaw.org/en/residential-basic-book-act/amendments/20290331_508AC0000000032; the law as amended, in Markdown: https://japanlaw.org/md/en/residential-basic-book-act/amendments/20290331_508AC0000000032/text - Immigration Control and Refugee Recognition Act (出入国管理及び難民認定法) — https://japanlaw.org/en/immigration-control-act - Amended by Act Partially Amending the Immigration Control and Refugee Recognition Act and the Act on Special Provisions for Applications for Landing by Foreign Nationals Holding Passports Referred to in Article 2, Item (v), (b) of the Immigration Control and Refugee Recognition Act (Act No. 32 of 2026) (出入国管理及び難民認定法及び出入国管理及び難民認定法第二条第五号ロの旅券を所持する外国人の上陸申請の特例に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000032 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000032) What changes: https://japanlaw.org/en/immigration-control-act/amendments/20290331_508AC0000000032; the law as amended, in Markdown: https://japanlaw.org/md/en/immigration-control-act/amendments/20290331_508AC0000000032/text - Act on Special Measures concerning the Application for Landing by Foreign National in Possession of Passport specified in Article 2, Item (v), (b) of the Immigration Control and Refugee Recognition Act (出入国管理及び難民認定法第二条第五号ロの旅券を所持する外国人の上陸申請の特例に関する法律) — https://japanlaw.org/en/landing-application-special-measures-act - Amended by Act Partially Amending the Immigration Control and Refugee Recognition Act and the Act on Special Provisions for Applications for Landing by Foreign Nationals Holding Passports Referred to in Article 2, Item (v), (b) of the Immigration Control and Refugee Recognition Act (Act No. 32 of 2026) (出入国管理及び難民認定法及び出入国管理及び難民認定法第二条第五号ロの旅券を所持する外国人の上陸申請の特例に関する法律の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000032 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000032) What changes: https://japanlaw.org/en/landing-application-special-measures-act/amendments/20290331_508AC0000000032; the law as amended, in Markdown: https://japanlaw.org/md/en/landing-application-special-measures-act/amendments/20290331_508AC0000000032/text ## 1 April 2029 This day's page: https://japanlaw.org/en/changes/2029-04-01 - Employees' Pension Insurance Act (厚生年金保険法) — https://japanlaw.org/en/employees-pension-insurance-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/employees-pension-insurance-act/amendments/20290401_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/employees-pension-insurance-act/amendments/20290401_507AC0000000074/text - Local Tax Act (地方税法) — https://japanlaw.org/en/local-tax-act - Amended by Act Partially Amending the Local Tax Act, etc. (Act No. 2 of 2026) (地方税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000002 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000002) What changes: https://japanlaw.org/en/local-tax-act/amendments/20290401_508AC0000000002; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20290401_508AC0000000002/text ## By 6 June 2029 (a day set by Cabinet Order, 政令) - Act on the Use of Numbers to Identify a Specific Individual in Administrative Procedures (行政手続における特定の個人を識別するための番号の利用等に関する法律) — https://japanlaw.org/en/my-number-act - Amended by Act Partially Amending the Basic Act on the Formation of a Digital Society, etc. to Improve Convenience for Persons Concerned in Administrative Procedures, etc. and to Simplify and Streamline Administrative Operations through the Use of Information and Communications Technology (Act No. 46 of 2024) (情報通信技術の活用による行政手続等に係る関係者の利便性の向上並びに行政運営の簡素化及び効率化を図るためのデジタル社会形成基本法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000046) What changes: https://japanlaw.org/en/my-number-act/amendments/20290606_506AC0000000046; the law as amended, in Markdown: https://japanlaw.org/md/en/my-number-act/amendments/20290606_506AC0000000046/text ## By 19 June 2029 (a day set by Cabinet Order, 政令) - Employees' Pension Insurance Act (厚生年金保険法) — https://japanlaw.org/en/employees-pension-insurance-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/employees-pension-insurance-act/amendments/20290619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/employees-pension-insurance-act/amendments/20290619_507AC0000000074/text - National Pension Act (国民年金法) — https://japanlaw.org/en/national-pension-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/national-pension-act/amendments/20290619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/national-pension-act/amendments/20290619_507AC0000000074/text ## By 23 June 2029 (a day set by Cabinet Order, 政令) - Civil Code (民法) — https://japanlaw.org/en/civil-code - Amended by Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) (民法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000045 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000045) What changes: https://japanlaw.org/en/civil-code/amendments/20290623_508AC0000000045; the law as amended, in Markdown: https://japanlaw.org/md/en/civil-code/amendments/20290623_508AC0000000045/text - Copyright Act (著作権法) — https://japanlaw.org/en/copyright-act - Amended by Act Partially Amending the Copyright Act (Act No. 48 of 2026) (著作権法の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000048 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000048) What changes: https://japanlaw.org/en/copyright-act/amendments/20290623_508AC0000000048; the law as amended, in Markdown: https://japanlaw.org/md/en/copyright-act/amendments/20290623_508AC0000000048/text ## By 24 June 2029 (a day set by Cabinet Order, 政令) - Long-Term Care Insurance Act (介護保険法) — https://japanlaw.org/en/long-term-care-insurance-act - Amended by Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026) (社会福祉法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000051 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000051) What changes: https://japanlaw.org/en/long-term-care-insurance-act/amendments/20290624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/long-term-care-insurance-act/amendments/20290624_508AC0000000051/text - Health Insurance Act (健康保険法) — https://japanlaw.org/en/health-insurance-act - Amended by Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026) (社会福祉法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000051 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000051) What changes: https://japanlaw.org/en/health-insurance-act/amendments/20290624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/health-insurance-act/amendments/20290624_508AC0000000051/text - National Health Insurance Act (国民健康保険法) — https://japanlaw.org/en/national-health-insurance-act - Amended by Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026) (社会福祉法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000051 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000051) What changes: https://japanlaw.org/en/national-health-insurance-act/amendments/20290624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/national-health-insurance-act/amendments/20290624_508AC0000000051/text - Local Tax Act (地方税法) — https://japanlaw.org/en/local-tax-act - Amended by Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026) (社会福祉法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000051 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000051) What changes: https://japanlaw.org/en/local-tax-act/amendments/20290624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20290624_508AC0000000051/text - Public Assistance Act (生活保護法) — https://japanlaw.org/en/public-assistance-act - Amended by Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026) (社会福祉法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000051 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000051) What changes: https://japanlaw.org/en/public-assistance-act/amendments/20290624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/public-assistance-act/amendments/20290624_508AC0000000051/text - Act on Assurance of Medical Care for Elderly People (高齢者の医療の確保に関する法律) — https://japanlaw.org/en/elderly-medical-care-act - Amended by Act Partially Amending the Social Welfare Act, etc. (Act No. 51 of 2026) (社会福祉法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000051 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000051) What changes: https://japanlaw.org/en/elderly-medical-care-act/amendments/20290624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/elderly-medical-care-act/amendments/20290624_508AC0000000051/text ## 1 September 2029 This day's page: https://japanlaw.org/en/changes/2029-09-01 - Employees' Pension Insurance Act (厚生年金保険法) — https://japanlaw.org/en/employees-pension-insurance-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/employees-pension-insurance-act/amendments/20290901_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/employees-pension-insurance-act/amendments/20290901_507AC0000000074/text ## 1 October 2029 This day's page: https://japanlaw.org/en/changes/2029-10-01 - Health Insurance Act (健康保険法) — https://japanlaw.org/en/health-insurance-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/health-insurance-act/amendments/20291001_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/health-insurance-act/amendments/20291001_507AC0000000074/text - Employees' Pension Insurance Act (厚生年金保険法) — https://japanlaw.org/en/employees-pension-insurance-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/employees-pension-insurance-act/amendments/20291001_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/employees-pension-insurance-act/amendments/20291001_507AC0000000074/text ## By 11 December 2029 (a day set by Cabinet Order, 政令) - Residential Basic Book Act (住民基本台帳法) — https://japanlaw.org/en/residential-basic-book-act - Amended by Act Partially Amending the Medical Care Act, etc. (Act No. 87 of 2025) (医療法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000087 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000087) What changes: https://japanlaw.org/en/residential-basic-book-act/amendments/20291211_507AC0000000087; the law as amended, in Markdown: https://japanlaw.org/md/en/residential-basic-book-act/amendments/20291211_507AC0000000087/text ## 1 January 2030 This day's page: https://japanlaw.org/en/changes/2030-01-01 - Act on Special Measures Concerning Taxation (租税特別措置法) — https://japanlaw.org/en/special-taxation-measures-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 3 of 2023) (所得税法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000003 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000003) What changes: https://japanlaw.org/en/special-taxation-measures-act/amendments/20300101_505AC0000000003; the law as amended, in Markdown: https://japanlaw.org/md/en/special-taxation-measures-act/amendments/20300101_505AC0000000003/text ## 1 April 2030 This day's page: https://japanlaw.org/en/changes/2030-04-01 - Industrial Safety and Health Act (労働安全衛生法) — https://japanlaw.org/en/industrial-safety-and-health-act - Amended by Act Partially Amending the Industrial Safety and Health Act and the Working Environment Measurement Act (Act No. 33 of 2025) (労働安全衛生法及び作業環境測定法の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000033 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000033) What changes: https://japanlaw.org/en/industrial-safety-and-health-act/amendments/20300401_507AC0000000033; the law as amended, in Markdown: https://japanlaw.org/md/en/industrial-safety-and-health-act/amendments/20300401_507AC0000000033/text ## By 19 June 2030 (a day set by Cabinet Order, 政令) - Residential Basic Book Act (住民基本台帳法) — https://japanlaw.org/en/residential-basic-book-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/residential-basic-book-act/amendments/20300619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/residential-basic-book-act/amendments/20300619_507AC0000000074/text - Local Tax Act (地方税法) — https://japanlaw.org/en/local-tax-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/local-tax-act/amendments/20300619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20300619_507AC0000000074/text - Income Tax Act (所得税法) — https://japanlaw.org/en/income-tax-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/income-tax-act/amendments/20300619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/income-tax-act/amendments/20300619_507AC0000000074/text - Corporation Tax Act (法人税法) — https://japanlaw.org/en/corporation-tax-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/corporation-tax-act/amendments/20300619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/corporation-tax-act/amendments/20300619_507AC0000000074/text - Consumption Tax Act (消費税法) — https://japanlaw.org/en/consumption-tax-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/consumption-tax-act/amendments/20300619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/consumption-tax-act/amendments/20300619_507AC0000000074/text - Defined Contribution Pension Act (確定拠出年金法) — https://japanlaw.org/en/defined-contribution-pension-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/defined-contribution-pension-act/amendments/20300619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/defined-contribution-pension-act/amendments/20300619_507AC0000000074/text - Act on Public Consultants on Social and Labour Insurance (社会保険労務士法) — https://japanlaw.org/en/labor-and-social-security-attorney-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/labor-and-social-security-attorney-act/amendments/20300619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/labor-and-social-security-attorney-act/amendments/20300619_507AC0000000074/text - Act on the Use of Numbers to Identify a Specific Individual in Administrative Procedures (行政手続における特定の個人を識別するための番号の利用等に関する法律) — https://japanlaw.org/en/my-number-act - Amended by Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025) (社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000074 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000074) What changes: https://japanlaw.org/en/my-number-act/amendments/20300619_507AC0000000074; the law as amended, in Markdown: https://japanlaw.org/md/en/my-number-act/amendments/20300619_507AC0000000074/text ## By 4 June 2031 (a day set by Cabinet Order, 政令) - Residential Basic Book Act (住民基本台帳法) — https://japanlaw.org/en/residential-basic-book-act - Amended by Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026) (健康保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000031) What changes: https://japanlaw.org/en/residential-basic-book-act/amendments/20310604_508AC0000000031; the law as amended, in Markdown: https://japanlaw.org/md/en/residential-basic-book-act/amendments/20310604_508AC0000000031/text - Act on Assurance of Medical Care for Elderly People (高齢者の医療の確保に関する法律) — https://japanlaw.org/en/elderly-medical-care-act - Amended by Act Partially Amending the Health Insurance Act, etc. (Act No. 31 of 2026) (健康保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000031) What changes: https://japanlaw.org/en/elderly-medical-care-act/amendments/20310604_508AC0000000031; the law as amended, in Markdown: https://japanlaw.org/md/en/elderly-medical-care-act/amendments/20310604_508AC0000000031/text ## By 16 July 2031 (a day set by Cabinet Order, 政令) - Industrial Accident Compensation Insurance Act (労働者災害補償保険法) — https://japanlaw.org/en/industrial-accident-insurance-act - Amended by Act Partially Amending the Industrial Accident Compensation Insurance Act, etc. (Act No. 60 of 2026) (労働者災害補償保険法等の一部を改正する法律) The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000060 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000060) What changes: https://japanlaw.org/en/industrial-accident-insurance-act/amendments/20310716_508AC0000000060; the law as amended, in Markdown: https://japanlaw.org/md/en/industrial-accident-insurance-act/amendments/20310716_508AC0000000060/text ## Date not yet set - Local Tax Act (地方税法) — https://japanlaw.org/en/local-tax-act - Amended by Act Partially Amending the Local Tax Act, etc. (Act No. 2 of 2026) (地方税法等の一部を改正する法律). On the day Act No. 23 of 2026 (都市再生特別措置法等の一部を改正する法律) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000002 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000002) What changes: https://japanlaw.org/en/local-tax-act/amendments/20261126_508AC0000000002; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20261126_508AC0000000002/text - Amended by Act Partially Amending the Local Tax Act, etc. (Act No. 2 of 2026) (地方税法等の一部を改正する法律). The date on which the provisions listed in Article 1, item (ii) of the Supplementary Provisions of the Act Partially Amending the Act on Special Measures concerning Urban Reconstruction, etc. (Act No. 23 of 2026) come into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000002 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000002) What changes: https://japanlaw.org/en/local-tax-act/amendments/20270526_508AC0000000002; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20270526_508AC0000000002/text - Amended by Act Partially Amending the Local Tax Act, etc. (Act No. 2 of 2026) (地方税法等の一部を改正する法律). On the day Act No. 41 of 2026 (産業技術力強化法の一部を改正する法律) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000002 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000002) What changes: https://japanlaw.org/en/local-tax-act/amendments/20270618_508AC0000000002; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20270618_508AC0000000002/text - Amended by Act on the Arrangement, etc. of Related Acts upon the Enforcement of the Act on Security Assignment Contracts and Retention of Title Contracts (Act No. 57 of 2025) (譲渡担保契約及び所有権留保契約に関する法律の施行に伴う関係法律の整備等に関する法律). On the day Act No. 56 of 2025 (譲渡担保契約及び所有権留保契約に関する法律) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000057 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000057) What changes: https://japanlaw.org/en/local-tax-act/amendments/20271205_507AC0000000057; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20271205_507AC0000000057/text - Amended by Act Partially Amending the Local Tax Act, etc. (Act No. 2 of 2026) (地方税法等の一部を改正する法律). On 1 January of the second year after the year in which Act No. 64 of 2026 (金融商品取引法及び資金決済に関する法律の一部を改正する法律) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000002 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000002) What changes: https://japanlaw.org/en/local-tax-act/amendments/20290101_508AC0000000002; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20290101_508AC0000000002/text - Act on Special Measures Concerning Taxation (租税特別措置法) — https://japanlaw.org/en/special-taxation-measures-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律). On the day Act No. 23 of 2026 (都市再生特別措置法等の一部を改正する法律) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/special-taxation-measures-act/amendments/20261126_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/special-taxation-measures-act/amendments/20261126_508AC0000000012/text - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律). The date on which the provisions listed in Article 1, item (ii) of the Supplementary Provisions of the Act Partially Amending the Act on Strengthening Industrial Competitiveness, etc. to Achieve the Sustainable Development of Corporate Business Activities in Light of Changes in Economic and Social Conditions (Act No. 29 of 2026) come into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/special-taxation-measures-act/amendments/20261204_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/special-taxation-measures-act/amendments/20261204_508AC0000000012/text - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律). The date on which the provisions listed in Article 1, item (ii) of the Supplementary Provisions of the Act Partially Amending the Act on Special Measures concerning Urban Reconstruction, etc. (Act No. 23 of 2026) come into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/special-taxation-measures-act/amendments/20270526_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/special-taxation-measures-act/amendments/20270526_508AC0000000012/text - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律). On the day Act No. 41 of 2026 (産業技術力強化法の一部を改正する法律) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/special-taxation-measures-act/amendments/20270618_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/special-taxation-measures-act/amendments/20270618_508AC0000000012/text - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律). On 1 January of the year after another part of the amending law comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/special-taxation-measures-act/amendments/20280101_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/special-taxation-measures-act/amendments/20280101_508AC0000000012/text - Passport Act (旅券法) — https://japanlaw.org/en/passport-act - Amended by Act on the Arrangement, etc. of Related Acts upon the Enforcement of the Act for Establishment of the Disaster Management Agency (Act No. 62 of 2026) (防災庁設置法の施行に伴う関係法律の整備等に関する法律). The date on which the Act for Establishment of the Disaster Management Agency (Act No. 61 of 2026) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000062 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000062) What changes: https://japanlaw.org/en/passport-act/amendments/20261231_508AC0000000062; the law as amended, in Markdown: https://japanlaw.org/md/en/passport-act/amendments/20261231_508AC0000000062/text - Act on Access to Information Held by Administrative Organs (行政機関の保有する情報の公開に関する法律) — https://japanlaw.org/en/information-disclosure-act - Amended by Act on the Arrangement, etc. of Related Acts upon the Enforcement of the Act for Establishment of the Disaster Management Agency (Act No. 62 of 2026) (防災庁設置法の施行に伴う関係法律の整備等に関する法律). The date on which the Act for Establishment of the Disaster Management Agency (Act No. 61 of 2026) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000062 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000062) What changes: https://japanlaw.org/en/information-disclosure-act/amendments/20261231_508AC0000000062; the law as amended, in Markdown: https://japanlaw.org/md/en/information-disclosure-act/amendments/20261231_508AC0000000062/text - Financial Instruments and Exchange Act (金融商品取引法) — https://japanlaw.org/en/financial-instruments-and-exchange-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律). On the day Act No. 39 of 2025 (情報通信技術の進展等に対応するための刑事訴訟法等の一部を改正する法律) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/financial-instruments-and-exchange-act/amendments/20270331_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/financial-instruments-and-exchange-act/amendments/20270331_508AC0000000064/text - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律). The date on which the provisions listed in Article 1, item (x) of the Supplementary Provisions of the Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) come into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/financial-instruments-and-exchange-act/amendments/20280101_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/financial-instruments-and-exchange-act/amendments/20280101_508AC0000000064/text - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律). On the day Act No. 53 of 2023 (民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/financial-instruments-and-exchange-act/amendments/20280613_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/financial-instruments-and-exchange-act/amendments/20280613_508AC0000000064/text - Family Register Act (戸籍法) — https://japanlaw.org/en/family-register-act - Amended by Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 46 of 2026) (民法等の一部を改正する法律の施行に伴う関係法律の整備等に関する法律). The date on which the provisions listed in Article 1, item (ii) of the Supplementary Provisions of the Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) come into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046) What changes: https://japanlaw.org/en/family-register-act/amendments/20270623_508AC0000000046; the law as amended, in Markdown: https://japanlaw.org/md/en/family-register-act/amendments/20270623_508AC0000000046/text - Amended by Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 46 of 2026) (民法等の一部を改正する法律の施行に伴う関係法律の整備等に関する法律). The date on which the Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046) What changes: https://japanlaw.org/en/family-register-act/amendments/20281223_508AC0000000046; the law as amended, in Markdown: https://japanlaw.org/md/en/family-register-act/amendments/20281223_508AC0000000046/text - Income Tax Act (所得税法) — https://japanlaw.org/en/income-tax-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律). On the day Act No. 64 of 2026 (金融商品取引法及び資金決済に関する法律の一部を改正する法律) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/income-tax-act/amendments/20270722_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/income-tax-act/amendments/20270722_508AC0000000012/text - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律). On 1 January of the year after another part of the amending law comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/income-tax-act/amendments/20280101_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/income-tax-act/amendments/20280101_508AC0000000012/text - Act on Prevention of Transfer of Criminal Proceeds (犯罪による収益の移転防止に関する法律) — https://japanlaw.org/en/criminal-proceeds-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律). On the day Act No. 34 of 2026 (犯罪による収益の移転防止に関する法律の一部を改正する法律) comes into force, or the day the amending law itself does, whichever is later. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/criminal-proceeds-act/amendments/20270722_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/criminal-proceeds-act/amendments/20270722_508AC0000000064/text - Companies Act (会社法) — https://japanlaw.org/en/companies-act - Amended by Act on the Arrangement, etc. of Related Acts upon the Enforcement of the Act on Security Assignment Contracts and Retention of Title Contracts (Act No. 57 of 2025) (譲渡担保契約及び所有権留保契約に関する法律の施行に伴う関係法律の整備等に関する法律). On the day Act No. 56 of 2025 (譲渡担保契約及び所有権留保契約に関する法律) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000057 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000057) What changes: https://japanlaw.org/en/companies-act/amendments/20271205_507AC0000000057; the law as amended, in Markdown: https://japanlaw.org/md/en/companies-act/amendments/20271205_507AC0000000057/text - Amended by Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 46 of 2026) (民法等の一部を改正する法律の施行に伴う関係法律の整備等に関する法律). The date on which the Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046) What changes: https://japanlaw.org/en/companies-act/amendments/20281223_508AC0000000046; the law as amended, in Markdown: https://japanlaw.org/md/en/companies-act/amendments/20281223_508AC0000000046/text - Medical Care Act (医療法) — https://japanlaw.org/en/medical-care-act - Amended by Act on the Arrangement, etc. of Related Acts upon the Enforcement of the Act on Security Assignment Contracts and Retention of Title Contracts (Act No. 57 of 2025) (譲渡担保契約及び所有権留保契約に関する法律の施行に伴う関係法律の整備等に関する法律). On the day Act No. 56 of 2025 (譲渡担保契約及び所有権留保契約に関する法律) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000057 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000057) What changes: https://japanlaw.org/en/medical-care-act/amendments/20271205_507AC0000000057; the law as amended, in Markdown: https://japanlaw.org/md/en/medical-care-act/amendments/20271205_507AC0000000057/text - National Pension Act (国民年金法) — https://japanlaw.org/en/national-pension-act - Amended by Act on the Arrangement, etc. of Related Acts upon the Enforcement of the Act on Security Assignment Contracts and Retention of Title Contracts (Act No. 57 of 2025) (譲渡担保契約及び所有権留保契約に関する法律の施行に伴う関係法律の整備等に関する法律). On the day Act No. 56 of 2025 (譲渡担保契約及び所有権留保契約に関する法律) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000057 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000057) What changes: https://japanlaw.org/en/national-pension-act/amendments/20271205_507AC0000000057; the law as amended, in Markdown: https://japanlaw.org/md/en/national-pension-act/amendments/20271205_507AC0000000057/text - Act on General Rules for National Taxes (国税通則法) — https://japanlaw.org/en/national-tax-general-rules-act - Amended by Act on the Arrangement, etc. of Related Acts upon the Enforcement of the Act on Security Assignment Contracts and Retention of Title Contracts (Act No. 57 of 2025) (譲渡担保契約及び所有権留保契約に関する法律の施行に伴う関係法律の整備等に関する法律). On the day Act No. 56 of 2025 (譲渡担保契約及び所有権留保契約に関する法律) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000057 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000057) What changes: https://japanlaw.org/en/national-tax-general-rules-act/amendments/20271205_507AC0000000057; the law as amended, in Markdown: https://japanlaw.org/md/en/national-tax-general-rules-act/amendments/20271205_507AC0000000057/text - Amended by Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 46 of 2026) (民法等の一部を改正する法律の施行に伴う関係法律の整備等に関する法律). The date on which the Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046) What changes: https://japanlaw.org/en/national-tax-general-rules-act/amendments/20281223_508AC0000000046; the law as amended, in Markdown: https://japanlaw.org/md/en/national-tax-general-rules-act/amendments/20281223_508AC0000000046/text - Civil Enforcement Act (民事執行法) — https://japanlaw.org/en/civil-enforcement-act - Amended by Act on the Arrangement, etc. of Related Acts upon the Enforcement of the Act on Security Assignment Contracts and Retention of Title Contracts (Act No. 57 of 2025) (譲渡担保契約及び所有権留保契約に関する法律の施行に伴う関係法律の整備等に関する法律). On the day Act No. 56 of 2025 (譲渡担保契約及び所有権留保契約に関する法律) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000057 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000057) What changes: https://japanlaw.org/en/civil-enforcement-act/amendments/20271205_507AC0000000057; the law as amended, in Markdown: https://japanlaw.org/md/en/civil-enforcement-act/amendments/20271205_507AC0000000057/text - Amended by Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 46 of 2026) (民法等の一部を改正する法律の施行に伴う関係法律の整備等に関する法律). The date on which the Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046) What changes: https://japanlaw.org/en/civil-enforcement-act/amendments/20281223_508AC0000000046; the law as amended, in Markdown: https://japanlaw.org/md/en/civil-enforcement-act/amendments/20281223_508AC0000000046/text - Civil Code (民法) — https://japanlaw.org/en/civil-code - Amended by Act on the Arrangement, etc. of Related Acts upon the Enforcement of the Act on Security Assignment Contracts and Retention of Title Contracts (Act No. 57 of 2025) (譲渡担保契約及び所有権留保契約に関する法律の施行に伴う関係法律の整備等に関する法律). On the day Act No. 56 of 2025 (譲渡担保契約及び所有権留保契約に関する法律) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000057 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000057) What changes: https://japanlaw.org/en/civil-code/amendments/20271205_507AC0000000057; the law as amended, in Markdown: https://japanlaw.org/md/en/civil-code/amendments/20271205_507AC0000000057/text - Regulation for Enforcement of the Income Tax Act (所得税法施行規則) — https://japanlaw.org/en/income-tax-act-enforcement-regulation - Amended by Ministerial Order Partially Amending the Regulation for Enforcement of the Income Tax Act (Ministry of Finance Order No. 17 of 2026) (所得税法施行規則の一部を改正する省令). On 1 January of the year after Act No. 64 of 2026 (金融商品取引法及び資金決済に関する法律の一部を改正する法律) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508M60000040017 (as Markdown: https://japanlaw.org/md/en/acts/508M60000040017) What changes: https://japanlaw.org/en/income-tax-act-enforcement-regulation/amendments/20280101_508M60000040017; the law as amended, in Markdown: https://japanlaw.org/md/en/income-tax-act-enforcement-regulation/amendments/20280101_508M60000040017/text - Act on Special Measures for Securing the Financial Resources Necessary to Implement Measures for Reconstruction following the Great East Japan Earthquake (東日本大震災からの復興のための施策を実施するために必要な財源の確保に関する特別措置法) — https://japanlaw.org/en/reconstruction-funding-act - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律). On 1 January of the year after another part of the amending law comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012) What changes: https://japanlaw.org/en/reconstruction-funding-act/amendments/20280101_508AC0000000012; the law as amended, in Markdown: https://japanlaw.org/md/en/reconstruction-funding-act/amendments/20280101_508AC0000000012/text - Payment Services Act (資金決済に関する法律) — https://japanlaw.org/en/payment-services-act - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Payment Services Act (Act No. 64 of 2026) (金融商品取引法及び資金決済に関する法律の一部を改正する法律). The date on which the provisions listed in Article 1, item (x) of the Supplementary Provisions of the Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) come into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000064 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000064) What changes: https://japanlaw.org/en/payment-services-act/amendments/20280101_508AC0000000064; the law as amended, in Markdown: https://japanlaw.org/md/en/payment-services-act/amendments/20280101_508AC0000000064/text - Real Property Registration Act (不動産登記法) — https://japanlaw.org/en/real-property-registration-act - Amended by Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 46 of 2026) (民法等の一部を改正する法律の施行に伴う関係法律の整備等に関する法律). The date on which the Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046) What changes: https://japanlaw.org/en/real-property-registration-act/amendments/20281223_508AC0000000046; the law as amended, in Markdown: https://japanlaw.org/md/en/real-property-registration-act/amendments/20281223_508AC0000000046/text - Act on the Protection of Personal Information (個人情報の保護に関する法律) — https://japanlaw.org/en/personal-information-protection-act - Amended by Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 46 of 2026) (民法等の一部を改正する法律の施行に伴う関係法律の整備等に関する法律). The date on which the Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046) What changes: https://japanlaw.org/en/personal-information-protection-act/amendments/20281223_508AC0000000046; the law as amended, in Markdown: https://japanlaw.org/md/en/personal-information-protection-act/amendments/20281223_508AC0000000046/text - Labor Standards Act (労働基準法) — https://japanlaw.org/en/labor-standards-act - Amended by Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 46 of 2026) (民法等の一部を改正する法律の施行に伴う関係法律の整備等に関する法律). The date on which the Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046) What changes: https://japanlaw.org/en/labor-standards-act/amendments/20281223_508AC0000000046; the law as amended, in Markdown: https://japanlaw.org/md/en/labor-standards-act/amendments/20281223_508AC0000000046/text - Labor Union Act (労働組合法) — https://japanlaw.org/en/labor-union-act - Amended by Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 46 of 2026) (民法等の一部を改正する法律の施行に伴う関係法律の整備等に関する法律). The date on which the Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046) What changes: https://japanlaw.org/en/labor-union-act/amendments/20281223_508AC0000000046; the law as amended, in Markdown: https://japanlaw.org/md/en/labor-union-act/amendments/20281223_508AC0000000046/text - Code of Civil Procedure (民事訴訟法) — https://japanlaw.org/en/code-of-civil-procedure - Amended by Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 46 of 2026) (民法等の一部を改正する法律の施行に伴う関係法律の整備等に関する法律). The date on which the Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046) What changes: https://japanlaw.org/en/code-of-civil-procedure/amendments/20281223_508AC0000000046; the law as amended, in Markdown: https://japanlaw.org/md/en/code-of-civil-procedure/amendments/20281223_508AC0000000046/text - Act on General Rules for Application of Laws (法の適用に関する通則法) — https://japanlaw.org/en/application-of-laws-act - Amended by Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 46 of 2026) (民法等の一部を改正する法律の施行に伴う関係法律の整備等に関する法律). The date on which the Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046) What changes: https://japanlaw.org/en/application-of-laws-act/amendments/20281223_508AC0000000046; the law as amended, in Markdown: https://japanlaw.org/md/en/application-of-laws-act/amendments/20281223_508AC0000000046/text - Consumer Contract Act (消費者契約法) — https://japanlaw.org/en/consumer-contract-act - Amended by Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 46 of 2026) (民法等の一部を改正する法律の施行に伴う関係法律の整備等に関する法律). The date on which the Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046) What changes: https://japanlaw.org/en/consumer-contract-act/amendments/20281223_508AC0000000046; the law as amended, in Markdown: https://japanlaw.org/md/en/consumer-contract-act/amendments/20281223_508AC0000000046/text - Public Assistance Act (生活保護法) — https://japanlaw.org/en/public-assistance-act - Amended by Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 46 of 2026) (民法等の一部を改正する法律の施行に伴う関係法律の整備等に関する法律). The date on which the Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046) What changes: https://japanlaw.org/en/public-assistance-act/amendments/20281223_508AC0000000046; the law as amended, in Markdown: https://japanlaw.org/md/en/public-assistance-act/amendments/20281223_508AC0000000046/text - Administrative Complaint Review Act (行政不服審査法) — https://japanlaw.org/en/administrative-complaint-review-act - Amended by Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 46 of 2026) (民法等の一部を改正する法律の施行に伴う関係法律の整備等に関する法律). The date on which the Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046) What changes: https://japanlaw.org/en/administrative-complaint-review-act/amendments/20281223_508AC0000000046; the law as amended, in Markdown: https://japanlaw.org/md/en/administrative-complaint-review-act/amendments/20281223_508AC0000000046/text - Administrative Procedure Act (行政手続法) — https://japanlaw.org/en/administrative-procedure-act - Amended by Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 46 of 2026) (民法等の一部を改正する法律の施行に伴う関係法律の整備等に関する法律). The date on which the Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046) What changes: https://japanlaw.org/en/administrative-procedure-act/amendments/20281223_508AC0000000046; the law as amended, in Markdown: https://japanlaw.org/md/en/administrative-procedure-act/amendments/20281223_508AC0000000046/text - Act on the Prevention of Spousal Violence and the Protection of Victims (配偶者からの暴力の防止及び被害者の保護等に関する法律) — https://japanlaw.org/en/spousal-violence-act - Amended by Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 46 of 2026) (民法等の一部を改正する法律の施行に伴う関係法律の整備等に関する法律). The date on which the Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) comes into force. The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046) What changes: https://japanlaw.org/en/spousal-violence-act/amendments/20281223_508AC0000000046; the law as amended, in Markdown: https://japanlaw.org/md/en/spousal-violence-act/amendments/20281223_508AC0000000046/text ## Came into force in the past year - 1 November 2026: 4 laws — https://japanlaw.org/en/changes/2026-11-01 - 24 October 2026: 1 law — https://japanlaw.org/en/changes/2026-10-24 - 16 October 2026: 2 laws — https://japanlaw.org/en/changes/2026-10-16 - 1 October 2026: 31 laws — https://japanlaw.org/en/changes/2026-10-01 - 24 September 2026: 1 law — https://japanlaw.org/en/changes/2026-09-24 - 3 September 2026: 2 laws — https://japanlaw.org/en/changes/2026-09-03 - 1 September 2026: 2 laws — https://japanlaw.org/en/changes/2026-09-01 - 12 August 2026: 10 laws — https://japanlaw.org/en/changes/2026-08-12 - 1 August 2026: 3 laws — https://japanlaw.org/en/changes/2026-08-01 - 31 July 2026: 2 laws — https://japanlaw.org/en/changes/2026-07-31 - 24 July 2026: 2 laws — https://japanlaw.org/en/changes/2026-07-24 - 23 July 2026: 7 laws — https://japanlaw.org/en/changes/2026-07-23 - 21 July 2026: 2 laws — https://japanlaw.org/en/changes/2026-07-21 - 17 July 2026: 8 laws — https://japanlaw.org/en/changes/2026-07-17 - 10 July 2026: 1 law — https://japanlaw.org/en/changes/2026-07-10 - 1 July 2026: 3 laws — https://japanlaw.org/en/changes/2026-07-01 - 25 June 2026: 3 laws — https://japanlaw.org/en/changes/2026-06-25 - 24 June 2026: 16 laws — https://japanlaw.org/en/changes/2026-06-24 - 17 June 2026: 2 laws — https://japanlaw.org/en/changes/2026-06-17 - 14 June 2026: 13 laws — https://japanlaw.org/en/changes/2026-06-14 - 5 June 2026: 7 laws — https://japanlaw.org/en/changes/2026-06-05 - 3 June 2026: 1 law — https://japanlaw.org/en/changes/2026-06-03 - 1 June 2026: 3 laws — https://japanlaw.org/en/changes/2026-06-01 - 27 May 2026: 2 laws — https://japanlaw.org/en/changes/2026-05-27 - 26 May 2026: 1 law — https://japanlaw.org/en/changes/2026-05-26 - 25 May 2026: 7 laws — https://japanlaw.org/en/changes/2026-05-25 - 22 May 2026: 1 law — https://japanlaw.org/en/changes/2026-05-22 - 21 May 2026: 28 laws — https://japanlaw.org/en/changes/2026-05-21 - 15 May 2026: 1 law — https://japanlaw.org/en/changes/2026-05-15 - 13 May 2026: 4 laws — https://japanlaw.org/en/changes/2026-05-13 - 1 May 2026: 3 laws — https://japanlaw.org/en/changes/2026-05-01 - 8 April 2026: 1 law — https://japanlaw.org/en/changes/2026-04-08 - 1 April 2026: 41 laws — https://japanlaw.org/en/changes/2026-04-01 - 31 March 2026: 1 law — https://japanlaw.org/en/changes/2026-03-31 - 10 March 2026: 1 law — https://japanlaw.org/en/changes/2026-03-10 - 14 February 2026: 2 laws — https://japanlaw.org/en/changes/2026-02-14 - 2 February 2026: 1 law — https://japanlaw.org/en/changes/2026-02-02 - 1 January 2026: 12 laws — https://japanlaw.org/en/changes/2026-01-01 - 31 December 2025: 1 law — https://japanlaw.org/en/changes/2025-12-31 - 30 December 2025: 2 laws — https://japanlaw.org/en/changes/2025-12-30 - 18 December 2025: 2 laws — https://japanlaw.org/en/changes/2025-12-18 - 12 December 2025: 8 laws — https://japanlaw.org/en/changes/2025-12-12 - 10 December 2025: 1 law — https://japanlaw.org/en/changes/2025-12-10 - 5 December 2025: 1 law — https://japanlaw.org/en/changes/2025-12-05 - 1 December 2025: 6 laws — https://japanlaw.org/en/changes/2025-12-01 - 28 November 2025: 1 law — https://japanlaw.org/en/changes/2025-11-28 - 21 November 2025: 2 laws — https://japanlaw.org/en/changes/2025-11-21 - 20 November 2025: 1 law — https://japanlaw.org/en/changes/2025-11-20 --- ## Sources - Amendments and their dates: e-Gov (Digital Agency) (90 records) - When the laws came into force as first made: e-Gov (Digital Agency) (4 records) - English names of the laws: Japanese Law Translation, Ministry of Justice (84 records) - English names of the laws: Written for this site with AI - English names of the laws: Written for this site with AI - English titles of the amending laws: Written for this site with AI - English of when they take effect: Written for this site with AI