Changes to Japanese law on 1 December 2026

Amended by

• Act Partially Amending the Whistleblower Protection Act (Act No. 62 of 2025)

  公益通報者保護法の一部を改正する法律（令和七年法律第六十二号）

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Amended by

• Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025)

  社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律（令和七年法律第七十四号）

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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（令和八年法律第十二号）

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Amended by

• Ministerial Order Partially Amending the Regulation for Enforcement of the Income Tax Act (Ministry of Finance Order No. 17 of 2026)

  所得税法施行規則の一部を改正する省令（令和八年財務省令第十七号）

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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（令和八年法律第十二号）

  See what changes

Amended by

• Act Partially Amending the National Pension Act, etc., and Other Matters, to Strengthen the Functions of the Pension System in Light of Socioeconomic Changes (Act No. 74 of 2025)

  社会経済の変化を踏まえた年金制度の機能強化のための国民年金法等の一部を改正する等の法律（令和七年法律第七十四号）

  See what changes

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（令和八年法律第十二号）

  See what changes