Changes to Japanese law on 1 January 2024

14 laws on this site changed on this day, as amendments . For each: the law that amends it, and a link to e-Gov's text of the law as amended. The wording before and after is not on this site.

Residential Basic Book Act
住民基本台帳法（じゅうみんきほんだいちょうほう）
Amended by
- Act on the Forest Environment Tax and the Forest Environment Transfer Tax (Act No. 3 of 2019)
  森林環境税及び森林環境譲与税に関する法律（平成三十一年法律第三号）
  The text after this amendment, on e-Gov
Health Insurance Act
健康保険法（けんこうほけんほう）
Amended by
- Act Partially Amending the Income Tax Act, etc. (Act No. 3 of 2023)
  所得税法等の一部を改正する法律（令和五年法律第三号）
  The text after this amendment, on e-Gov
Employees' Pension Insurance Act
厚生年金保険法（こうせいねんきんほけんほう）
Amended by
- Act Partially Amending the Income Tax Act, etc. (Act No. 3 of 2023)
  所得税法等の一部を改正する法律（令和五年法律第三号）
  The text after this amendment, on e-Gov
National Health Insurance Act
国民健康保険法（こくみんけんこうほけんほう）
Amended by
- Act Partially Amending the Health Insurance Act, etc. to Establish a Sustainable Social Security System for All Generations (Act No. 31 of 2023)
  全世代対応型の持続可能な社会保障制度を構築するための健康保険法等の一部を改正する法律（令和五年法律第三十一号）
  The text after this amendment, on e-Gov
National Pension Act
国民年金法（こくみんねんきんほう）
Amended by
- Act Partially Amending the Income Tax Act, etc. (Act No. 3 of 2023)
  所得税法等の一部を改正する法律（令和五年法律第三号）
  The text after this amendment, on e-Gov
National Tax Collection Act
国税徴収法（こくぜいちょうしゅうほう）
Amended by
- Act on the Forest Environment Tax and the Forest Environment Transfer Tax (Act No. 3 of 2019)
  森林環境税及び森林環境譲与税に関する法律（平成三十一年法律第三号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Income Tax Act, etc. (Act No. 3 of 2023)
  所得税法等の一部を改正する法律（令和五年法律第三号）
  The text after this amendment, on e-Gov
Act on General Rules for National Taxes
国税通則法（こくぜいつうそくほう）
Amended by
- Act Partially Amending the Income Tax Act, etc. (Act No. 4 of 2022)
  所得税法等の一部を改正する法律（令和四年法律第四号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Income Tax Act, etc. (Act No. 3 of 2023)
  所得税法等の一部を改正する法律（令和五年法律第三号）
  The text after this amendment, on e-Gov
Local Tax Act
地方税法（ちほうぜいほう）
Amended by
- Act on the Forest Environment Tax and the Forest Environment Transfer Tax (Act No. 3 of 2019)
  森林環境税及び森林環境譲与税に関する法律（平成三十一年法律第三号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Local Tax Act, etc. (Act No. 5 of 2020)
  地方税法等の一部を改正する法律（令和二年法律第五号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Local Tax Act, etc. (Act No. 7 of 2021)
  地方税法等の一部を改正する法律（令和三年法律第七号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Local Tax Act, etc. (Act No. 1 of 2022)
  地方税法等の一部を改正する法律（令和四年法律第一号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Local Tax Act, etc. (Act No. 1 of 2023)
  地方税法等の一部を改正する法律（令和五年法律第一号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Health Insurance Act, etc. to Establish a Sustainable Social Security System for All Generations (Act No. 31 of 2023)
  全世代対応型の持続可能な社会保障制度を構築するための健康保険法等の一部を改正する法律（令和五年法律第三十一号）
  The text after this amendment, on e-Gov
Income Tax Act
所得税法（しょとくぜいほう）
Amended by
- Act Partially Amending the Income Tax Act, etc. (Act No. 6 of 2019)
  所得税法等の一部を改正する法律（平成三十一年法律第六号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Income Tax Act, etc. (Act No. 4 of 2022)
  所得税法等の一部を改正する法律（令和四年法律第四号）
  The text after this amendment, on e-Gov
Regulation for Enforcement of the Income Tax Act
所得税法施行規則（しょとくぜいほうしこうきそく）
Amended by
- Ministerial Order Partially Amending the Regulation for Enforcement of the Income Tax Act (Ministry of Finance Order No. 12 of 2023)
  所得税法施行規則の一部を改正する省令（令和五年財務省令第十二号）
  The text after this amendment, on e-Gov
Inheritance Tax Act
相続税法（そうぞくぜいほう）
Amended by
- Act Partially Amending the Income Tax Act, etc. (Act No. 4 of 2022)
  所得税法等の一部を改正する法律（令和四年法律第四号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Income Tax Act, etc. (Act No. 3 of 2023)
  所得税法等の一部を改正する法律（令和五年法律第三号）
  The text after this amendment, on e-Gov
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. 4 of 2022)
  所得税法等の一部を改正する法律（令和四年法律第四号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Income Tax Act, etc. (Act No. 3 of 2023)
  所得税法等の一部を改正する法律（令和五年法律第三号）
  The text after this amendment, on e-Gov
Copyright Act
著作権法（ちょさくけんほう）
Amended by
- Act Partially Amending the Copyright Act (Act No. 33 of 2023)
  著作権法の一部を改正する法律（令和五年法律第三十三号）
  The text after this amendment, on e-Gov
Act on the Use of Numbers to Identify a Specific Individual in Administrative Procedures
行政手続における特定の個人を識別するための番号の利用等に関する法律（ぎょうせいてつづきにおけるとくていのこじんをしきべつするためのばんごうのりようとうにかんするほうりつ）
Amended by
- Act on the Forest Environment Tax and the Forest Environment Transfer Tax (Act No. 3 of 2019)
  森林環境税及び森林環境譲与税に関する法律（平成三十一年法律第三号）
  The text after this amendment, on e-Gov

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