# Changes to Japanese law on 1 April 2026

This is the Markdown twin of https://japanlaw.org/en/changes/2026-04-01. 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.

What changed on 1 April 2026 in 41 laws on this site: for each, the Act that amends it, and for 1 the wording before and after in Japanese and English.

- Real Property Registration Act (不動産登記法) — https://japanlaw.org/en/real-property-registration-act
  - Amended by Act Partially Amending the Civil Code, etc. (Act No. 24 of 2021) (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/503AC0000000024 (as Markdown: https://japanlaw.org/md/en/acts/503AC0000000024)
    Listed with the law's amendments: https://japanlaw.org/en/real-property-registration-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/416AC0000000123/20260401_503AC0000000024
  - Amended by Act on Public Interest Trusts (Act No. 30 of 2024) (公益信託に関する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000030 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000030)
    Listed with the law's amendments: https://japanlaw.org/en/real-property-registration-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/416AC0000000123/20260401_506AC0000000030
- 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 Health Insurance Act, etc. to Establish a Sustainable Social Security System for All Generations (Act No. 31 of 2023) (全世代対応型の持続可能な社会保障制度を構築するための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/505AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000031)
    Listed with the law's amendments: https://japanlaw.org/en/long-term-care-insurance-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/409AC0000000123/20260401_505AC0000000031
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/long-term-care-insurance-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/409AC0000000123/20260401_507AC0000000087
- 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. to Establish a Sustainable Social Security System for All Generations (Act No. 31 of 2023) (全世代対応型の持続可能な社会保障制度を構築するための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/505AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000031)
    Listed with the law's amendments: https://japanlaw.org/en/residential-basic-book-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/342AC0000000081/20260401_505AC0000000031
  - Amended by Act Partially Amending the Civil Code, etc. (Act No. 33 of 2024) (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/506AC0000000033 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000033)
    Listed with the law's amendments: https://japanlaw.org/en/residential-basic-book-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/342AC0000000081/20260401_506AC0000000033
  - Amended by Act Partially Amending the Act on Support for Children and Child-rearing, etc. (Act No. 47 of 2024) (子ども・子育て支援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/506AC0000000047 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000047)
    Listed with the law's amendments: https://japanlaw.org/en/residential-basic-book-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/342AC0000000081/20260401_506AC0000000047
  - Amended by Act Partially Amending the Forest Management Act and the Forest Act (Act No. 48 of 2025) (森林経営管理法及び森林法の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000048 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000048)
    Listed with the law's amendments: https://japanlaw.org/en/residential-basic-book-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/342AC0000000081/20260401_507AC0000000048
- 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. to Establish a Sustainable Social Security System for All Generations (Act No. 31 of 2023) (全世代対応型の持続可能な社会保障制度を構築するための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/505AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000031)
    Listed with the law's amendments: https://japanlaw.org/en/health-insurance-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/211AC0000000070/20260401_505AC0000000031
  - Amended by Act Partially Amending the Act on Support for Children and Child-rearing, etc. (Act No. 47 of 2024) (子ども・子育て支援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/506AC0000000047 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000047)
    Listed with the law's amendments: https://japanlaw.org/en/health-insurance-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/211AC0000000070/20260401_506AC0000000047
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/health-insurance-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/211AC0000000070/20260401_507AC0000000074
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/health-insurance-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/211AC0000000070/20260401_507AC0000000087
- Ministerial Order to Provide for the Industrial Fields Specified in the Right-Hand Column of "Specified Skilled Worker" 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特定技能の項の下欄に規定する産業上の分野等を定める省令) — https://japanlaw.org/en/specified-skilled-worker-fields-ordinance
  - Amended by Ministerial Order Partially Amending the Ministerial Order to Provide for the Industrial Fields Specified in the Right-Hand Column of "Specified Skilled Worker" in the Appended Table I (2) of the Immigration Control and Refugee Recognition Act (Ministry of Justice Order No. 22 of 2026) (出入国管理及び難民認定法別表第一の二の表の特定技能の項の下欄に規定する産業上の分野等を定める省令の一部を改正する省令)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/508M60000010022 (as Markdown: https://japanlaw.org/md/en/acts/508M60000010022)
    Listed with the law's amendments: https://japanlaw.org/en/specified-skilled-worker-fields-ordinance/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/431M60000010006/20260401_508M60000010022
- 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. 13 of 2026) (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/508M60000010013 (as Markdown: https://japanlaw.org/md/en/acts/508M60000010013)
    Listed with the law's amendments: https://japanlaw.org/en/immigration-control-act-enforcement-regulation/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/356M50000010054/20260401_508M60000010013
- 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 Partially Amending the Ministerial Order to Provide for Criteria Pursuant to Article 7, Paragraph (1), Item (ii) of the Immigration Control and Refugee Recognition Act (Ministry of Justice Order No. 12 of 2026) (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の一部を改正する省令)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/508M60000010012 (as Markdown: https://japanlaw.org/md/en/acts/508M60000010012)
    Listed with the law's amendments: https://japanlaw.org/en/landing-criteria-ordinance/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/402M50000010016/20260401_508M60000010012
- 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 for Enforcement of the Industrial Accident Compensation Insurance Act, etc. (Ministry of Health, Labour and Welfare Order No. 57 of 2026) (労働者災害補償保険法施行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/508M60000100057 (as Markdown: https://japanlaw.org/md/en/acts/508M60000100057)
    Listed with the law's amendments: https://japanlaw.org/en/labor-standards-act-enforcement-ordinance/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/322M40000100023/20260401_508M60000100057
- 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)
    Listed with the law's amendments: https://japanlaw.org/en/industrial-safety-and-health-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/347AC0000000057/20260401_507AC0000000033
- Act on Comprehensively Advancing Labor Measures, and Stabilizing the Employment of Workers, and Enriching Workers' Vocational Lives (労働施策の総合的な推進並びに労働者の雇用の安定及び職業生活の充実等に関する法律) — https://japanlaw.org/en/labor-measures-act
  - Amended by Act Partially Amending the Act on Comprehensively Advancing Labor Measures, and Stabilizing the Employment of Workers, and Enriching Workers' Vocational Lives, etc. (Act No. 63 of 2025) (労働施策の総合的な推進並びに労働者の雇用の安定及び職業生活の充実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/507AC0000000063 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000063)
    Listed with the law's amendments: https://japanlaw.org/en/labor-measures-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/341AC0000000132/20260401_507AC0000000063
- 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)
    Listed with the law's amendments: https://japanlaw.org/en/worker-dispatch-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/360AC0000000088/20260401_507AC0000000033
  - Amended by Act Partially Amending the Act on Comprehensively Advancing Labor Measures, and Stabilizing the Employment of Workers, and Enriching Workers' Vocational Lives, etc. (Act No. 63 of 2025) (労働施策の総合的な推進並びに労働者の雇用の安定及び職業生活の充実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/507AC0000000063 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000063)
    Listed with the law's amendments: https://japanlaw.org/en/worker-dispatch-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/360AC0000000088/20260401_507AC0000000063
- Medical Care Act (医療法) — https://japanlaw.org/en/medical-care-act
  - Amended by Act Partially Amending the Medical Care Act, etc. for Promoting the Securing of a System for Efficiently Providing High-Quality and Appropriate Medical Care (Act No. 49 of 2021) (良質かつ適切な医療を効率的に提供する体制の確保を推進するための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/503AC0000000049 (as Markdown: https://japanlaw.org/md/en/acts/503AC0000000049)
    Listed with the law's amendments: https://japanlaw.org/en/medical-care-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/323AC0000000205/20260401_503AC0000000049
  - Amended by Act Partially Amending the Health Insurance Act, etc. to Establish a Sustainable Social Security System for All Generations (Act No. 31 of 2023) (全世代対応型の持続可能な社会保障制度を構築するための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/505AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000031)
    Listed with the law's amendments: https://japanlaw.org/en/medical-care-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/323AC0000000205/20260401_505AC0000000031
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/medical-care-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/323AC0000000205/20260401_507AC0000000087
- 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)
    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/329AC0000000115/20260401_507AC0000000074
- 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. to Establish a Sustainable Social Security System for All Generations (Act No. 31 of 2023) (全世代対応型の持続可能な社会保障制度を構築するための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/505AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000031)
    Listed with the law's amendments: https://japanlaw.org/en/national-health-insurance-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/333AC0000000192/20260401_505AC0000000031
  - Amended by Act Partially Amending the Act on Support for Children and Child-rearing, etc. (Act No. 47 of 2024) (子ども・子育て支援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/506AC0000000047 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000047)
    Listed with the law's amendments: https://japanlaw.org/en/national-health-insurance-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/333AC0000000192/20260401_506AC0000000047
- 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)
    Listed with the law's amendments: https://japanlaw.org/en/national-pension-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/334AC0000000141/20260401_507AC0000000074
- 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. 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)
    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/337AC0000000066/20260401_507AC0000000013
  - 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)
    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/337AC0000000066/20260401_508AC0000000012
- 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. 1 of 2022) (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/504AC0000000001 (as Markdown: https://japanlaw.org/md/en/acts/504AC0000000001)
    Listed with the law's amendments: https://japanlaw.org/en/local-tax-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/325AC0000000226/20260401_504AC0000000001
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/local-tax-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/325AC0000000226/20260401_506AC0000000004
  - Amended by Act Partially Amending the Act on Support for Children and Child-rearing, etc. (Act No. 47 of 2024) (子ども・子育て支援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/506AC0000000047 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000047)
    Listed with the law's amendments: https://japanlaw.org/en/local-tax-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/325AC0000000226/20260401_506AC0000000047
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/local-tax-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/325AC0000000226/20260401_507AC0000000007
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/local-tax-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/325AC0000000226/20260401_507AC0000000087
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/local-tax-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/325AC0000000226/20260401_508AC0000000002
- Act on the Promotion of Women's Active Engagement in Professional Life (女性の職業生活における活躍の推進に関する法律) — https://japanlaw.org/en/womens-engagement-act
  - Amended by Act Partially Amending the Act on Comprehensively Advancing Labor Measures, and Stabilizing the Employment of Workers, and Enriching Workers' Vocational Lives, etc. (Act No. 63 of 2025) (労働施策の総合的な推進並びに労働者の雇用の安定及び職業生活の充実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/507AC0000000063 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000063)
    Listed with the law's amendments: https://japanlaw.org/en/womens-engagement-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/427AC0000000064/20260401_507AC0000000063
- School Education Act (学校教育法) — https://japanlaw.org/en/school-education-act
  - Amended by Act Partially Amending the School Education Act (Act No. 50 of 2024) (学校教育法の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000050 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000050)
    Listed with the law's amendments: https://japanlaw.org/en/school-education-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/322AC0000000026/20260401_506AC0000000050
  - Amended by Act Partially Amending the Act on Special Measures concerning Salaries and Other Conditions for Education Personnel of Public Compulsory Education Schools, etc., etc. (Act No. 68 of 2025) (公立の義務教育諸学校等の教育職員の給与等に関する特別措置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/507AC0000000068 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000068)
    Listed with the law's amendments: https://japanlaw.org/en/school-education-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/322AC0000000026/20260401_507AC0000000068
- Real Estate Brokerage Act (宅地建物取引業法) — https://japanlaw.org/en/real-estate-brokerage-act
  - Amended by Act Partially Amending the Act on Special Measures concerning Salaries and Other Conditions for Education Personnel of Public Compulsory Education Schools, etc., etc. (Act No. 68 of 2025) (公立の義務教育諸学校等の教育職員の給与等に関する特別措置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/507AC0000000068 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000068)
    Listed with the law's amendments: https://japanlaw.org/en/real-estate-brokerage-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/327AC1000000176/20260401_507AC0000000068
- Act on Building Unit Ownership (建物の区分所有等に関する法律) — https://japanlaw.org/en/building-unit-ownership-act
  - Amended by Act Partially Amending the Act on Building Unit Ownership, etc. to Facilitate Management and Revitalization of Aging Condominiums, etc. (Act No. 47 of 2025) (老朽化マンション等の管理及び再生の円滑化等を図るための建物の区分所有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/507AC0000000047 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000047)
    What changes: https://japanlaw.org/en/building-unit-ownership-act/amendments/20260401_507AC0000000047; the law as amended, in Markdown: https://japanlaw.org/md/en/building-unit-ownership-act/amendments/20260401_507AC0000000047/text
- Family Register Act (戸籍法) — https://japanlaw.org/en/family-register-act
  - Amended by Act Partially Amending the Civil Code, etc. (Act No. 33 of 2024) (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/506AC0000000033 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000033)
    Listed with the law's amendments: https://japanlaw.org/en/family-register-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/322AC0000000224/20260401_506AC0000000033
- 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. 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)
    Listed with the law's amendments: https://japanlaw.org/en/income-tax-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/340AC0000000033/20260401_506AC0000000008
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/income-tax-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/340AC0000000033/20260401_507AC0000000013
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/income-tax-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/340AC0000000033/20260401_508AC0000000012
- 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. 14 of 2024) (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/506M60000040014 (as Markdown: https://japanlaw.org/md/en/acts/506M60000040014)
    Listed with the law's amendments: https://japanlaw.org/en/income-tax-act-enforcement-regulation/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/340M50000040011/20260401_506M60000040014
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/income-tax-act-enforcement-regulation/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/340M50000040011/20260401_507M60000040018
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/income-tax-act-enforcement-regulation/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/340M50000040011/20260401_508M60000040017
- 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. 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)
    Listed with the law's amendments: https://japanlaw.org/en/reconstruction-funding-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/423AC0000000117/20260401_506AC0000000008
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/reconstruction-funding-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/423AC0000000117/20260401_507AC0000000013
  - Amended by Act Partially Amending the Act on Special Measures for Securing the Financial Resources Necessary to Implement Measures for Reconstruction following the Great East Japan Earthquake (Act No. 6 of 2026) (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の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000006 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000006)
    Listed with the law's amendments: https://japanlaw.org/en/reconstruction-funding-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/423AC0000000117/20260401_508AC0000000006
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/reconstruction-funding-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/423AC0000000117/20260401_508AC0000000012
- Civil Enforcement Act (民事執行法) — https://japanlaw.org/en/civil-enforcement-act
  - Amended by Act Partially Amending the Civil Code, etc. (Act No. 33 of 2024) (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/506AC0000000033 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000033)
    Listed with the law's amendments: https://japanlaw.org/en/civil-enforcement-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/354AC0000000004/20260401_506AC0000000033
- Civil Code (民法) — https://japanlaw.org/en/civil-code
  - Amended by Act Partially Amending the Civil Code, etc. (Act No. 33 of 2024) (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/506AC0000000033 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000033)
    Listed with the law's amendments: https://japanlaw.org/en/civil-code/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/129AC0000000089/20260401_506AC0000000033
- 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. 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)
    Listed with the law's amendments: https://japanlaw.org/en/corporation-tax-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/340AC0000000034/20260401_506AC0000000008
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/corporation-tax-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/340AC0000000034/20260401_507AC0000000013
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/corporation-tax-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/340AC0000000034/20260401_508AC0000000012
- 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. 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)
    Listed with the law's amendments: https://japanlaw.org/en/consumption-tax-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/363AC0000000108/20260401_506AC0000000008
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/consumption-tax-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/363AC0000000108/20260401_508AC0000000002
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/consumption-tax-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/363AC0000000108/20260401_508AC0000000012
- Public Assistance Act (生活保護法) — https://japanlaw.org/en/public-assistance-act
  - Amended by Act Partially Amending the Health Insurance Act, etc. to Establish a Sustainable Social Security System for All Generations (Act No. 31 of 2023) (全世代対応型の持続可能な社会保障制度を構築するための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/505AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000031)
    Listed with the law's amendments: https://japanlaw.org/en/public-assistance-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/325AC0000000144/20260401_505AC0000000031
  - Amended by Act on the Development of Related Acts for the Promotion of Reform to Enhance Regional Autonomy and Independence (Act No. 35 of 2025) (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/507AC0000000035 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000035)
    Listed with the law's amendments: https://japanlaw.org/en/public-assistance-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/325AC0000000144/20260401_507AC0000000035
- 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. 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)
    Listed with the law's amendments: https://japanlaw.org/en/inheritance-tax-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/325AC0000000073/20260401_506AC0000000008
- Bankruptcy Act (破産法) — https://japanlaw.org/en/bankruptcy-act
  - Amended by Act Partially Amending the Civil Code, etc. (Act No. 33 of 2024) (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/506AC0000000033 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000033)
    Listed with the law's amendments: https://japanlaw.org/en/bankruptcy-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/416AC0000000075/20260401_506AC0000000033
- 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)
    Listed with the law's amendments: https://japanlaw.org/en/defined-contribution-pension-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/413AC0000000088/20260401_507AC0000000074
- 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)
    Listed with the law's amendments: https://japanlaw.org/en/special-taxation-measures-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/332AC0000000026/20260401_506AC0000000008
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/special-taxation-measures-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/332AC0000000026/20260401_507AC0000000013
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/special-taxation-measures-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/332AC0000000026/20260401_507AC0000000087
  - Amended by Act Partially Amending the Customs Tariff Act, etc. (Act No. 5 of 2026) (関税定率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/508AC0000000005 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000005)
    Listed with the law's amendments: https://japanlaw.org/en/special-taxation-measures-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/332AC0000000026/20260401_508AC0000000005
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/special-taxation-measures-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/332AC0000000026/20260401_508AC0000000012
- Employment Security Act (職業安定法) — https://japanlaw.org/en/employment-security-act
  - Amended by Act Partially Amending the School Education Act (Act No. 50 of 2024) (学校教育法の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000050 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000050)
    Listed with the law's amendments: https://japanlaw.org/en/employment-security-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/322AC0000000141/20260401_506AC0000000050
- Act on Securing Compensation for Automobile Accidents (自動車損害賠償保障法) — https://japanlaw.org/en/automobile-accident-compensation-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)
    Listed with the law's amendments: https://japanlaw.org/en/automobile-accident-compensation-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/330AC0000000097/20260401_508AC0000000002
- Copyright Act (著作権法) — https://japanlaw.org/en/copyright-act
  - Amended by Act Partially Amending the Copyright Act (Act No. 33 of 2023) (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/505AC0000000033 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000033)
    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/345AC0000000048/20260401_505AC0000000033
- 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 Support for Children and Child-rearing, etc. (Act No. 47 of 2024) (子ども・子育て支援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/506AC0000000047 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000047)
    Listed with the law's amendments: https://japanlaw.org/en/my-number-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/425AC0000000027/20260401_506AC0000000047
  - 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)
    Listed with the law's amendments: https://japanlaw.org/en/my-number-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/425AC0000000027/20260401_508AC0000000012
- Road Traffic Act (道路交通法) — https://japanlaw.org/en/road-traffic-act
  - Amended by Act Partially Amending the Road Traffic Act (Act No. 34 of 2024) (道路交通法の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000034 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000034)
    Listed with the law's amendments: https://japanlaw.org/en/road-traffic-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/335AC0000000105/20260401_506AC0000000034
- Road Transport Vehicle Act (道路運送車両法) — https://japanlaw.org/en/road-transport-vehicle-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)
    Listed with the law's amendments: https://japanlaw.org/en/road-transport-vehicle-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/326AC0000000185/20260401_508AC0000000002
- 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. to Establish a Sustainable Social Security System for All Generations (Act No. 31 of 2023) (全世代対応型の持続可能な社会保障制度を構築するための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/505AC0000000031 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000031)
    Listed with the law's amendments: https://japanlaw.org/en/elderly-medical-care-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/357AC0000000080/20260401_505AC0000000031
  - Amended by Act Partially Amending the Act on Support for Children and Child-rearing, etc. (Act No. 47 of 2024) (子ども・子育て支援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/506AC0000000047 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000047)
    Listed with the law's amendments: https://japanlaw.org/en/elderly-medical-care-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/357AC0000000080/20260401_506AC0000000047

Every day: https://japanlaw.org/en/changes

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## Sources

- Amendments and their dates: e-Gov (Digital Agency) (41 records)
- English names of the laws: Japanese Law Translation, Ministry of Justice (40 records)
- English names of the laws: Written for this site with AI
- English titles of the amending laws: Written for this site with AI
