# Changes to Japanese law on 1 May 2026

This is the Markdown twin of https://japanlaw.org/en/changes/2026-05-01. 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 May 2026 in 3 laws on this site: for each, the Act that amends it.

- Companies Act (会社法) — https://japanlaw.org/en/companies-act
  - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Act on Securities Investment Trust and Securities Investment Corporations (Act No. 32 of 2024) (金融商品取引法及び投資信託及び投資法人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/506AC0000000032 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000032)
    Listed with the law's amendments: https://japanlaw.org/en/companies-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/417AC0000000086/20260501_506AC0000000032
- Act on Special Measures Concerning Taxation (租税特別措置法) — https://japanlaw.org/en/special-taxation-measures-act
  - Amended by Act Partially Amending the Income Tax Act, etc. (Act No. 12 of 2026) (所得税法等の一部を改正する法律)
    The Act, and every law here it amends: https://japanlaw.org/en/acts/508AC0000000012 (as Markdown: https://japanlaw.org/md/en/acts/508AC0000000012)
    Listed with the law's amendments: https://japanlaw.org/en/special-taxation-measures-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/332AC0000000026/20260501_508AC0000000012
- Financial Instruments and Exchange Act (金融商品取引法) — https://japanlaw.org/en/financial-instruments-and-exchange-act
  - Amended by Act Partially Amending the Financial Instruments and Exchange Act and the Act on Securities Investment Trust and Securities Investment Corporations (Act No. 32 of 2024) (金融商品取引法及び投資信託及び投資法人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/506AC0000000032 (as Markdown: https://japanlaw.org/md/en/acts/506AC0000000032)
    Listed with the law's amendments: https://japanlaw.org/en/financial-instruments-and-exchange-act/amendments; the text on e-Gov: https://laws.e-gov.go.jp/law/323AC0000000025/20260501_506AC0000000032

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