# Changes to Japanese law on 24 June 2026

This is the Markdown twin of https://japanlaw.org/en/changes/2026-06-24. 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 24 June 2026 in 16 laws on this site: for each, the Act that amends it.

- 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 Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046)
    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/416AC0000000123/20260624_508AC0000000046
- Companies Act (会社法) — https://japanlaw.org/en/companies-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 Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046)
    Listed with the law's amendments: https://japanlaw.org/en/companies-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/417AC0000000086/20260624_508AC0000000046
- 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 Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046)
    Listed with the law's amendments: https://japanlaw.org/en/personal-information-protection-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/415AC0000000057/20260624_508AC0000000046
- 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 Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046)
    Listed with the law's amendments: https://japanlaw.org/en/labor-standards-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/322AC0000000049/20260624_508AC0000000046
- 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 Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046)
    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/324AC0000000174/20260624_508AC0000000046
- 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 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 Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046)
    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/337AC0000000066/20260624_508AC0000000046
- 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 Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046)
    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/322AC0000000224/20260624_508AC0000000046
- 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 Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046)
    Listed with the law's amendments: https://japanlaw.org/en/code-of-civil-procedure/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/408AC0000000109/20260624_508AC0000000046
- 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)
    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/129AC0000000089/20260624_508AC0000000045
- 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 Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046)
    Listed with the law's amendments: https://japanlaw.org/en/application-of-laws-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/418AC0000000078/20260624_508AC0000000046
- 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 Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046)
    Listed with the law's amendments: https://japanlaw.org/en/consumer-contract-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/412AC0000000061/20260624_508AC0000000046
- 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 Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046)
    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/325AC0000000144/20260624_508AC0000000046
- 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)
    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/345AC0000000048/20260624_508AC0000000048
- 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 Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046)
    Listed with the law's amendments: https://japanlaw.org/en/administrative-complaint-review-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/426AC0000000068/20260624_508AC0000000046
- 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 Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046)
    Listed with the law's amendments: https://japanlaw.org/en/administrative-procedure-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/405AC0000000088/20260624_508AC0000000046
- 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 Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000046 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000046)
    Listed with the law's amendments: https://japanlaw.org/en/spousal-violence-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/413AC0100000031/20260624_508AC0000000046

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

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## Sources

- Amendments and their dates: e-Gov (Digital Agency) (16 records)
- English names of the laws: Japanese Law Translation, Ministry of Justice (16 records)
- English titles of the amending laws: Written for this site with AI