# Changes to Japanese law on 1 June 2026

This is the Markdown twin of https://japanlaw.org/en/changes/2026-06-01. 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 June 2026 in 3 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 Partially Amending the Act on the Prevention of Infectious Diseases and Medical Care for Patients with Infectious Diseases, etc. (Act No. 96 of 2022) (感染症の予防及び感染症の患者に対する医療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/504AC0000000096 (as Markdown: https://japanlaw.org/md/en/acts/504AC0000000096)
    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/342AC0000000081/20260601_504AC0000000096
  - Amended by Act Partially Amending the Act on the Use of Numbers to Identify a Specific Individual in Administrative Procedures and the Residential Basic Book Act (Act No. 38 of 2025) (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及び住民基本台帳法の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000038 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000038)
    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/342AC0000000081/20260601_507AC0000000038
  - Amended by Act Partially Amending the Payment Services Act (Act No. 66 of 2025) (資金決済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/507AC0000000066 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000066)
    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/342AC0000000081/20260601_507AC0000000066
- 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 and the Residential Basic Book Act (Act No. 38 of 2025) (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及び住民基本台帳法の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/507AC0000000038 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000038)
    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/425AC0000000027/20260601_507AC0000000038
- Payment Services Act (資金決済に関する法律) — https://japanlaw.org/en/payment-services-act
  - Amended by Act Partially Amending the Payment Services Act (Act No. 66 of 2025) (資金決済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/507AC0000000066 (as Markdown: https://japanlaw.org/md/en/acts/507AC0000000066)
    Listed with the law's amendments: https://japanlaw.org/en/payment-services-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/421AC0000000059/20260601_507AC0000000066

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

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## Sources

- Amendments and their dates: e-Gov (Digital Agency) (3 records)
- English names of the laws: Japanese Law Translation, Ministry of Justice (3 records)
- English titles of the amending laws: Written for this site with AI