# Act No. 51 of 2026: Act Partially Amending the Social Welfare Act, etc.

This is the Markdown twin of https://japanlaw.org/en/acts/508AC0000000051. 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. 51 of 2026 amends, and when each change takes effect; promulgated 25 June 2026.

- Number: 令和八年法律第五十一号 (令和8年法律第51号), Act No. 51 of 2026
- Title: Act Partially Amending the Social Welfare Act, etc. (社会福祉法等の一部を改正する法律)
- Promulgated: 25 June 2026
- In Japanese: https://japanlaw.org/ja/acts/508AC0000000051
- Changes to Japanese law, by date: https://japanlaw.org/en/changes (as Markdown: https://japanlaw.org/md/en/changes)

## 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

- 1 April 2027: Not yet in force. 2 provisions changed · 7 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/elderly-medical-care-act/amendments/20270401_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/elderly-medical-care-act/amendments/20270401_508AC0000000051/text
- By 24 June 2028: Not yet in force. 1 provision changed · 1 provision in the supplementary provisions. What it changes: https://japanlaw.org/en/elderly-medical-care-act/amendments/20280624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/elderly-medical-care-act/amendments/20280624_508AC0000000051/text
- By 24 June 2029: Not yet in force. 1 provision in the supplementary provisions. What it changes: https://japanlaw.org/en/elderly-medical-care-act/amendments/20290624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/elderly-medical-care-act/amendments/20290624_508AC0000000051/text

## Health Insurance Act (健康保険法)

https://japanlaw.org/en/health-insurance-act

- 1 April 2027: Not yet in force. 2 provisions changed · 3 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/health-insurance-act/amendments/20270401_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/health-insurance-act/amendments/20270401_508AC0000000051/text
- By 24 June 2029: Not yet in force. 2 provisions changed. What it changes: https://japanlaw.org/en/health-insurance-act/amendments/20290624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/health-insurance-act/amendments/20290624_508AC0000000051/text

## Local Tax Act (地方税法)

https://japanlaw.org/en/local-tax-act

- 1 April 2027: Not yet in force. 2 provisions changed · 3 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/local-tax-act/amendments/20270401_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20270401_508AC0000000051/text
- By 24 June 2029: Not yet in force. 2 provisions changed. What it changes: https://japanlaw.org/en/local-tax-act/amendments/20290624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/local-tax-act/amendments/20290624_508AC0000000051/text

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

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

- 25 June 2026: Since replaced.
- 1 April 2027: Not yet in force. 146 provisions changed · 102 provisions added · 2 provisions removed · 18 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/long-term-care-insurance-act/amendments/20270401_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/long-term-care-insurance-act/amendments/20270401_508AC0000000051/text
- By 24 December 2027: Not yet in force. 13 provisions changed · 14 provisions added · 5 provisions removed · 1 provision in the supplementary provisions. What it changes: https://japanlaw.org/en/long-term-care-insurance-act/amendments/20271224_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/long-term-care-insurance-act/amendments/20271224_508AC0000000051/text
- By 24 June 2028: Not yet in force. 6 provisions changed · 1 provision added. What it changes: https://japanlaw.org/en/long-term-care-insurance-act/amendments/20280624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/long-term-care-insurance-act/amendments/20280624_508AC0000000051/text
- By 24 June 2029: Not yet in force. 102 provisions changed · 203 provisions added · 1 provision removed · 19 provisions in the supplementary provisions · 1 article renumbered. What it changes: https://japanlaw.org/en/long-term-care-insurance-act/amendments/20290624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/long-term-care-insurance-act/amendments/20290624_508AC0000000051/text

## National Health Insurance Act (国民健康保険法)

https://japanlaw.org/en/national-health-insurance-act

- 1 April 2027: Not yet in force. 3 provisions changed · 6 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/national-health-insurance-act/amendments/20270401_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/national-health-insurance-act/amendments/20270401_508AC0000000051/text
- By 24 June 2028: Not yet in force. 1 provision changed · 1 provision in the supplementary provisions. What it changes: https://japanlaw.org/en/national-health-insurance-act/amendments/20280624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/national-health-insurance-act/amendments/20280624_508AC0000000051/text
- By 24 June 2029: Not yet in force. 1 provision changed. What it changes: https://japanlaw.org/en/national-health-insurance-act/amendments/20290624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/national-health-insurance-act/amendments/20290624_508AC0000000051/text

## Public Assistance Act (生活保護法)

https://japanlaw.org/en/public-assistance-act

- 25 June 2026: Since replaced.
- 1 April 2027: Not yet in force. 6 provisions changed · 3 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/public-assistance-act/amendments/20270401_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/public-assistance-act/amendments/20270401_508AC0000000051/text
- By 24 June 2028: Not yet in force. 1 provision changed · 1 provision in the supplementary provisions. What it changes: https://japanlaw.org/en/public-assistance-act/amendments/20280624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/public-assistance-act/amendments/20280624_508AC0000000051/text
- By 24 June 2029: Not yet in force. 10 provisions changed. What it changes: https://japanlaw.org/en/public-assistance-act/amendments/20290624_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/public-assistance-act/amendments/20290624_508AC0000000051/text

## Residential Basic Book Act (住民基本台帳法)

https://japanlaw.org/en/residential-basic-book-act

- 1 April 2027: Not yet in force. 2 provisions changed · 3 provisions in the supplementary provisions. What it changes: https://japanlaw.org/en/residential-basic-book-act/amendments/20270401_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/residential-basic-book-act/amendments/20270401_508AC0000000051/text
- By 24 December 2027: Not yet in force. 3 provisions changed. What it changes: https://japanlaw.org/en/residential-basic-book-act/amendments/20271224_508AC0000000051; the law as amended, in Markdown: https://japanlaw.org/md/en/residential-basic-book-act/amendments/20271224_508AC0000000051/text

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## Sources

- The dates and the amending law: e-Gov (Digital Agency) (7 records)
- English title of the amending law: Written for this site with AI
- English names of the laws: Japanese Law Translation, Ministry of Justice (7 records)