Changes to Japanese law on 20 May 2027

4 laws on this site change on this day, as amendments . For each: the law that amends it and a link to what it changes, the wording before and after.

Health Insurance Act
健康保険法（けんこうほけんほう）
Amended by
- Act Partially Amending the Act on Securing Quality, Efficacy and Safety of Products Including Pharmaceuticals and Medical Devices, etc. (Act No. 37 of 2025)
  医薬品、医療機器等の品質、有効性及び安全性の確保等に関する法律等の一部を改正する法律（令和七年法律第三十七号）
  See what changes
Local Tax Act
地方税法（ちほうぜいほう）
Amended by
- Act Partially Amending the Local Tax Act, etc. (Act No. 2 of 2026)
  地方税法等の一部を改正する法律（令和八年法律第二号）
  See what changes
Act on Special Measures Concerning Taxation
租税特別措置法（そぜいとくべつそちほう）
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
Act on Assurance of Medical Care for Elderly People
高齢者の医療の確保に関する法律（こうれいしゃのいりょうのかくほにかんするほうりつ）
Amended by
- Act Partially Amending the Act on Securing Quality, Efficacy and Safety of Products Including Pharmaceuticals and Medical Devices, etc. (Act No. 37 of 2025)
  医薬品、医療機器等の品質、有効性及び安全性の確保等に関する法律等の一部を改正する法律（令和七年法律第三十七号）
  See what changes