# Changes to Japanese law on 11 May 2023

This is the Markdown twin of https://japanlaw.org/en/changes/2023-05-11. 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 11 May 2023 in 6 laws on this site: for each, the Act that amends it.

- Residential Basic Book Act (住民基本台帳法) — https://japanlaw.org/en/residential-basic-book-act
  - 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/residential-basic-book-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/342AC0000000081/20230511_503AC0000000037
- Health Insurance Act (健康保険法) — https://japanlaw.org/en/health-insurance-act
  - 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/health-insurance-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/211AC0000000070/20230511_503AC0000000037
- National Health Insurance Act (国民健康保険法) — https://japanlaw.org/en/national-health-insurance-act
  - 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/national-health-insurance-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/333AC0000000192/20230511_503AC0000000037
- Income Tax Act (所得税法) — https://japanlaw.org/en/income-tax-act
  - 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/income-tax-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/340AC0000000033/20230511_503AC0000000037
- 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. 12 of 2023) (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/505M60000040012 (as Markdown: https://japanlaw.org/md/en/acts/505M60000040012)
    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/340M50000040011/20230511_505M60000040012
- 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 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/elderly-medical-care-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/357AC0000000080/20230511_503AC0000000037

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