# Changes to Japanese law on 1 March 2024

This is the Markdown twin of https://japanlaw.org/en/changes/2024-03-01. 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 March 2024 in 14 laws on this site: for each, the Act that amends it.

- Arbitration Act (仲裁法) — https://japanlaw.org/en/arbitration-act
  - Amended by Act Partially Amending the Code of Civil Procedure, etc. (Act No. 48 of 2022) (民事訴訟法等の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/504AC0000000048 (as Markdown: https://japanlaw.org/md/en/acts/504AC0000000048)
    Listed with the law's amendments: https://japanlaw.org/en/arbitration-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/415AC0000000138/20240301_504AC0000000048
- 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 Social Security System for All Generations (Act No. 66 of 2021) (全世代対応型の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/503AC0000000066 (as Markdown: https://japanlaw.org/md/en/acts/503AC0000000066)
    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/342AC0000000081/20240301_503AC0000000066
- 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 Social Security System for All Generations (Act No. 66 of 2021) (全世代対応型の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/503AC0000000066 (as Markdown: https://japanlaw.org/md/en/acts/503AC0000000066)
    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/211AC0000000070/20240301_503AC0000000066
- 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 Social Security System for All Generations (Act No. 66 of 2021) (全世代対応型の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/503AC0000000066 (as Markdown: https://japanlaw.org/md/en/acts/503AC0000000066)
    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/333AC0000000192/20240301_503AC0000000066
- 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 2023) (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/505AC0000000001 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000001)
    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/325AC0000000226/20240301_505AC0000000001
- Family Register Act (戸籍法) — https://japanlaw.org/en/family-register-act
  - Amended by Act Partially Amending the Family Register Act (Act No. 17 of 2019) (戸籍法の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/501AC0000000017 (as Markdown: https://japanlaw.org/md/en/acts/501AC0000000017)
    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/322AC0000000224/20240301_501AC0000000017
  - Amended by Act on the Development of Related Acts for the Promotion of Reform to Enhance Regional Autonomy and Independence (Act No. 58 of 2023) (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/505AC0000000058 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000058)
    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/322AC0000000224/20240301_505AC0000000058
- Civil Enforcement Act (民事執行法) — https://japanlaw.org/en/civil-enforcement-act
  - Amended by Act Partially Amending the Code of Civil Procedure, etc. (Act No. 48 of 2022) (民事訴訟法等の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/504AC0000000048 (as Markdown: https://japanlaw.org/md/en/acts/504AC0000000048)
    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/354AC0000000004/20240301_504AC0000000048
- Code of Civil Procedure (民事訴訟法) — https://japanlaw.org/en/code-of-civil-procedure
  - Amended by Act Partially Amending the Code of Civil Procedure, etc. (Act No. 48 of 2022) (民事訴訟法等の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/504AC0000000048 (as Markdown: https://japanlaw.org/md/en/acts/504AC0000000048)
    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/408AC0000000109/20240301_504AC0000000048
- 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 Social Security System for All Generations (Act No. 66 of 2021) (全世代対応型の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/503AC0000000066 (as Markdown: https://japanlaw.org/md/en/acts/503AC0000000066)
    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/325AC0000000144/20240301_503AC0000000066
- 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. 4 of 2022) (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/504AC0000000004 (as Markdown: https://japanlaw.org/md/en/acts/504AC0000000004)
    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/325AC0000000073/20240301_504AC0000000004
- Bankruptcy Act (破産法) — https://japanlaw.org/en/bankruptcy-act
  - Amended by Act Partially Amending the Code of Civil Procedure, etc. (Act No. 48 of 2022) (民事訴訟法等の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/504AC0000000048 (as Markdown: https://japanlaw.org/md/en/acts/504AC0000000048)
    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/416AC0000000075/20240301_504AC0000000048
- 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 Family Register Act (Act No. 17 of 2019) (戸籍法の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/501AC0000000017 (as Markdown: https://japanlaw.org/md/en/acts/501AC0000000017)
    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/425AC0000000027/20240301_501AC0000000017
  - Amended by Act Partially Amending the National Pension Act, etc. to Strengthen the Functions of the Pension System (Act No. 40 of 2020) (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法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/502AC0000000040 (as Markdown: https://japanlaw.org/md/en/acts/502AC0000000040)
    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/425AC0000000027/20240301_502AC0000000040
  - Amended by Act on the Arrangement of Related Acts for the Formation of a Digital Society (Act No. 37 of 2021) (デジタル社会の形成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/503AC0000000037 (as Markdown: https://japanlaw.org/md/en/acts/503AC0000000037)
    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/425AC0000000027/20240301_503AC0000000037
- 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 Partially Amending the Act on the Prevention of Spousal Violence and the Protection of Victims (Act No. 30 of 2023) (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の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000030 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000030)
    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/413AC0100000031/20240301_505AC0000000030
- 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 Social Security System for All Generations (Act No. 66 of 2021) (全世代対応型の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/503AC0000000066 (as Markdown: https://japanlaw.org/md/en/acts/503AC0000000066)
    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/357AC0000000080/20240301_503AC0000000066

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

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## Sources

- Amendments and their dates: e-Gov (Digital Agency) (14 records)
- English names of the laws: Japanese Law Translation, Ministry of Justice (14 records)
- English titles of the amending laws: Written for this site with AI