# Changes to Japanese law on 1 April 2027

This is the Markdown twin of https://japanlaw.org/en/changes/2027-04-01. 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 changes on 1 April 2027 in 33 laws on this site: 32 amended, each with its Act and the wording before and after; 1 comes into force as first made.

- 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

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

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## Sources

- Amendments and their dates: e-Gov (Digital Agency) (32 records)
- When the laws came into force as first made: e-Gov (Digital Agency) (https://laws.e-gov.go.jp/law/507CO0000000341)
- English names of the laws: Japanese Law Translation, Ministry of Justice (31 records)
- English names of the laws: Written for this site with AI
- English titles of the amending laws: Written for this site with AI