# Changes to Japanese law on 1 October 2025

This is the Markdown twin of https://japanlaw.org/en/changes/2025-10-01. 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 October 2025 in 30 laws on this site: 29 amended, each with its Act; 1 came into force as first made.

- 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)
    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/417AC0000000086/20251001_505AC0000000053
- 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 Radio Act and the Broadcasting Act (Act No. 27 of 2025) (電波法及び放送法の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000027 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000027)
    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/342AC0000000081/20251001_507AC0000000027
  - Amended by Act Partially Amending the Child Welfare Act, etc. (Act No. 29 of 2025) (児童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/507AC0000000029 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000029)
    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/342AC0000000081/20251001_507AC0000000029
- 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 came into force as first made (not an amendment)
- 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 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)
    Listed with the law's amendments: https://japanlaw.org/en/labor-insurance-premium-collection-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/344AC0000000084/20251001_506AC0000000026
- 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)
    Listed with the law's amendments: https://japanlaw.org/en/labor-tribunal-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/416AC0000000045/20251001_505AC0000000053
- 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/324AC0000000174/20251001_505AC0000000053
- 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 Act on Childcare Leave, Caregiver Leave, and Other Measures for the Welfare of Workers Caring for Children or Other Family Members, and the Act on Advancement of Measures to Support Raising Next-Generation Children (Act No. 42 of 2024) (育児休業、介護休業等育児又は家族介護を行う労働者の福祉に関する法律及び次世代育成支援対策推進法の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000042 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000042)
    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/360AC0000000088/20251001_506AC0000000042
- 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/329AC0000000115/20251001_505AC0000000053
- 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 Act on Providing Comprehensive Support for the Daily Life and Life in Society of Persons with Disabilities, etc. (Act No. 104 of 2022) (障害者の日常生活及び社会生活を総合的に支援するための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/504AC0000000104 (as Markdown: https://japanlaw.org/md/en/acts/504AC0000000104)
    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/333AC0000000192/20251001_504AC0000000104
- 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/337AC0000000066/20251001_505AC0000000053
- Local Tax Act (地方税法) — https://japanlaw.org/en/local-tax-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/local-tax-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/325AC0000000226/20251001_505AC0000000053
  - 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/325AC0000000226/20251001_507AC0000000007
- School Education Act (学校教育法) — https://japanlaw.org/en/school-education-act
  - Amended by Act Partially Amending the Child Welfare Act, etc. (Act No. 29 of 2025) (児童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/507AC0000000029 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000029)
    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/322AC0000000026/20251001_507AC0000000029
- 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)
    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/322AC0000000224/20251001_505AC0000000053
- Income Tax Act (所得税法) — https://japanlaw.org/en/income-tax-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)
    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/340AC0000000033/20251001_506AC0000000026
- 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)
    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/354AC0000000004/20251001_505AC0000000053
- 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)
    Listed with the law's amendments: https://japanlaw.org/en/civil-mediation-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/326AC1000000222/20251001_505AC0000000053
- 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)
    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/129AC0000000089/20251001_505AC0000000053
- 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. 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)
    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/363AC0000000108/20251001_505AC0000000003
- Public Assistance Act (生活保護法) — https://japanlaw.org/en/public-assistance-act
  - Amended by Act Partially Amending the Act on Providing Comprehensive Support for the Daily Life and Life in Society of Persons with Disabilities, etc. (Act No. 104 of 2022) (障害者の日常生活及び社会生活を総合的に支援するための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/504AC0000000104 (as Markdown: https://japanlaw.org/md/en/acts/504AC0000000104)
    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/325AC0000000144/20251001_504AC0000000104
- 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)
    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/416AC0000000075/20251001_505AC0000000053
- 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)
    Listed with the law's amendments: https://japanlaw.org/en/labor-and-social-security-attorney-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/343AC1000000089/20251001_505AC0000000053
  - Amended by Act Partially Amending the Act on Public Consultants on Social and Labour Insurance (Act No. 77 of 2025) (社会保険労務士法の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC1000000077 (as Markdown: https://japanlaw.org/md/en/acts/507AC1000000077)
    Listed with the law's amendments: https://japanlaw.org/en/labor-and-social-security-attorney-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/343AC1000000089/20251001_507AC1000000077
- 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. 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/332AC0000000026/20251001_507AC0000000013
- Act on Childcare Leave, Caregiver Leave, and Other Measures for the Welfare of Workers Caring for Children or Other Family Members (育児休業、介護休業等育児又は家族介護を行う労働者の福祉に関する法律) — https://japanlaw.org/en/childcare-and-family-care-leave-act
  - Amended by Act Partially Amending the Act on Childcare Leave, Caregiver Leave, and Other Measures for the Welfare of Workers Caring for Children or Other Family Members, and the Act on Advancement of Measures to Support Raising Next-Generation Children (Act No. 42 of 2024) (育児休業、介護休業等育児又は家族介護を行う労働者の福祉に関する法律及び次世代育成支援対策推進法の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/506AC0000000042 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000042)
    Listed with the law's amendments: https://japanlaw.org/en/childcare-and-family-care-leave-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/403AC0000000076/20251001_506AC0000000042
- 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/345AC0000000048/20251001_505AC0000000053
  - Amended by Act Partially Amending the Radio Act and the Broadcasting Act (Act No. 27 of 2025) (電波法及び放送法の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000027 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000027)
    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/345AC0000000048/20251001_507AC0000000027
- 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 Child Welfare Act, etc. (Act No. 29 of 2025) (児童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/507AC0000000029 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000029)
    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/425AC0000000027/20251001_507AC0000000029
- 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)
    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/413AC0100000031/20251001_505AC0000000053
- 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)
    Listed with the law's amendments: https://japanlaw.org/en/financial-instruments-and-exchange-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/323AC0000000025/20251001_505AC0000000053
- 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)
    Listed with the law's amendments: https://japanlaw.org/en/banking-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/356AC0000000059/20251001_505AC0000000053
- Act to Facilitate the Employment of Persons with Disabilities (障害者の雇用の促進等に関する法律) — https://japanlaw.org/en/employment-of-persons-with-disabilities-act
  - Amended by Act Partially Amending the Act on Providing Comprehensive Support for the Daily Life and Life in Society of Persons with Disabilities, etc. (Act No. 104 of 2022) (障害者の日常生活及び社会生活を総合的に支援するための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/504AC0000000104 (as Markdown: https://japanlaw.org/md/en/acts/504AC0000000104)
    Listed with the law's amendments: https://japanlaw.org/en/employment-of-persons-with-disabilities-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/335AC0000000123/20251001_504AC0000000104
- 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)
    Listed with the law's amendments: https://japanlaw.org/en/employment-insurance-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/349AC0000000116/20251001_506AC0000000026

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

---

## Sources

- Amendments and their dates: e-Gov (Digital Agency) (29 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 (29 records)
- English names of the laws: Written for this site with AI
- English titles of the amending laws: Written for this site with AI