# Act No. 27 of 2026: Act on the Development of Related Acts for the Promotion of Reform to Enhance Regional Autonomy and Independence

This is the Markdown twin of https://japanlaw.org/en/acts/508AC0000000027. 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.

Every law on japanlaw.org that Act No. 27 of 2026 amends, and when each change takes effect; promulgated 3 June 2026.

- Number: 令和八年法律第二十七号 (令和8年法律第27号), Act No. 27 of 2026
- Title: Act on the Development of Related Acts for the Promotion of Reform to Enhance Regional Autonomy and Independence (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)
- Promulgated: 3 June 2026
- In Japanese: https://japanlaw.org/ja/acts/508AC0000000027
- Changes to Japanese law, by date: https://japanlaw.org/en/changes (as Markdown: https://japanlaw.org/md/en/changes)

## Family Register Act (戸籍法)

https://japanlaw.org/en/family-register-act

- 3 September 2026: In force. The law in force: https://japanlaw.org/en/family-register-act; in Markdown: https://japanlaw.org/md/en/family-register-act
- By 2 June 2028: Not yet in force. 2 provisions changed · 1 provision added. What it changes: https://japanlaw.org/en/family-register-act/amendments/20280602_508AC0000000027; the law as amended, in Markdown: https://japanlaw.org/md/en/family-register-act/amendments/20280602_508AC0000000027/text

## Long-Term Care Insurance Act (介護保険法)

https://japanlaw.org/en/long-term-care-insurance-act

- 3 June 2026: Since replaced.
- 3 September 2026: Since replaced.

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## Sources

- The dates and the amending law: e-Gov (Digital Agency) (2 records)
- English title of the amending law: Written for this site with AI
- English names of the laws: Japanese Law Translation, Ministry of Justice (2 records)