# Act No. 33 of 2025: Act Partially Amending the Industrial Safety and Health Act and the Working Environment Measurement Act

This is the Markdown twin of https://japanlaw.org/en/acts/507AC0000000033. 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. 33 of 2025 amends, and when each change takes effect; promulgated 14 May 2025.

- Number: 令和七年法律第三十三号 (令和7年法律第33号), Act No. 33 of 2025
- Title: Act Partially Amending the Industrial Safety and Health Act and the Working Environment Measurement Act (労働安全衛生法及び作業環境測定法の一部を改正する法律)
- Promulgated: 14 May 2025
- In Japanese: https://japanlaw.org/ja/acts/507AC0000000033
- Changes to Japanese law, by date: https://japanlaw.org/en/changes (as Markdown: https://japanlaw.org/md/en/changes)

## Industrial Safety and Health Act (労働安全衛生法)

https://japanlaw.org/en/industrial-safety-and-health-act

- 14 May 2025: Since replaced.
- 1 January 2026: Since replaced.
- 1 April 2026: Since replaced.
- 1 October 2026: In force. The law in force: https://japanlaw.org/en/industrial-safety-and-health-act; in Markdown: https://japanlaw.org/md/en/industrial-safety-and-health-act
- 1 January 2027: Not yet in force. 4 provisions added. What it changes: https://japanlaw.org/en/industrial-safety-and-health-act/amendments/20270101_507AC0000000033; the law as amended, in Markdown: https://japanlaw.org/md/en/industrial-safety-and-health-act/amendments/20270101_507AC0000000033/text
- 1 April 2027: Not yet in force. 16 provisions changed · 10 provisions added. What it changes: https://japanlaw.org/en/industrial-safety-and-health-act/amendments/20270401_507AC0000000033; the law as amended, in Markdown: https://japanlaw.org/md/en/industrial-safety-and-health-act/amendments/20270401_507AC0000000033/text
- 1 April 2028: Not yet in force. 1 provision in the supplementary provisions. What it changes: https://japanlaw.org/en/industrial-safety-and-health-act/amendments/20280401_507AC0000000033; the law as amended, in Markdown: https://japanlaw.org/md/en/industrial-safety-and-health-act/amendments/20280401_507AC0000000033/text
- 1 April 2030: Not yet in force. 1 provision changed · 1 provision added. What it changes: https://japanlaw.org/en/industrial-safety-and-health-act/amendments/20300401_507AC0000000033; the law as amended, in Markdown: https://japanlaw.org/md/en/industrial-safety-and-health-act/amendments/20300401_507AC0000000033/text

## Act on Ensuring the Proper Operation of Worker Dispatching Services and Protecting Dispatched Workers (労働者派遣事業の適正な運営の確保及び派遣労働者の保護等に関する法律)

https://japanlaw.org/en/worker-dispatch-act

- 1 January 2026: Since replaced.
- 1 April 2026: Since replaced.
- 1 October 2026: Since replaced. 3 provisions changed. What it changes: https://japanlaw.org/en/worker-dispatch-act/amendments/20261001_507AC0000000033; the law as amended, in Markdown: https://japanlaw.org/md/en/worker-dispatch-act/amendments/20261001_507AC0000000033/text
- 1 January 2027: Not yet in force. 1 provision changed. What it changes: https://japanlaw.org/en/worker-dispatch-act/amendments/20270101_507AC0000000033; the law as amended, in Markdown: https://japanlaw.org/md/en/worker-dispatch-act/amendments/20270101_507AC0000000033/text
- 1 April 2027: Not yet in force. 6 provisions changed. What it changes: https://japanlaw.org/en/worker-dispatch-act/amendments/20270401_507AC0000000033; the law as amended, in Markdown: https://japanlaw.org/md/en/worker-dispatch-act/amendments/20270401_507AC0000000033/text

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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)