# Changes to Japanese law on 2 December 2024

This is the Markdown twin of https://japanlaw.org/en/changes/2024-12-02. 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 2 December 2024 in 6 laws on this site: for each, the Act that amends it.

- Health Insurance Act (健康保険法) — https://japanlaw.org/en/health-insurance-act
  - Amended by Act Partially Amending the Act on the Use of Numbers to Identify a Specific Individual in Administrative Procedures, etc. (Act No. 48 of 2023) (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等の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000048 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000048)
    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/211AC0000000070/20241202_505AC0000000048
- 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 the Use of Numbers to Identify a Specific Individual in Administrative Procedures, etc. (Act No. 48 of 2023) (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等の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000048 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000048)
    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/333AC0000000192/20241202_505AC0000000048
- National Pension Act (国民年金法) — https://japanlaw.org/en/national-pension-act
  - Amended by Act Partially Amending the Act on the Use of Numbers to Identify a Specific Individual in Administrative Procedures, etc. (Act No. 48 of 2023) (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等の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000048 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000048)
    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/334AC0000000141/20241202_505AC0000000048
- 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/340M50000040011/20241202_506M60000040014
  - Amended by Ministerial Order Partially Amending the Regulation for Enforcement of the Act on Special Measures Concerning Taxation, etc. (Ministry of Finance Order No. 66 of 2024) (租税特別措置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/506M60000040066 (as Markdown: https://japanlaw.org/md/en/acts/506M60000040066)
    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/340M50000040011/20241202_506M60000040066
- 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 the Use of Numbers to Identify a Specific Individual in Administrative Procedures, etc. (Act No. 48 of 2023) (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等の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000048 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000048)
    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/425AC0000000027/20241202_505AC0000000048
- 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 Act on the Use of Numbers to Identify a Specific Individual in Administrative Procedures, etc. (Act No. 48 of 2023) (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等の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/505AC0000000048 (as Markdown: https://japanlaw.org/md/en/acts/505AC0000000048)
    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/357AC0000000080/20241202_505AC0000000048

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

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## Sources

- Amendments and their dates: e-Gov (Digital Agency) (6 records)
- English names of the laws: Japanese Law Translation, Ministry of Justice (6 records)
- English titles of the amending laws: Written for this site with AI