Changes to Japanese law on 1 April 2025

34 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.

Long-Term Care Insurance Act
介護保険法（かいごほけんほう）
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
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 Partially Amending the Employment Insurance Act, etc. (Act No. 26 of 2024)
  雇用保険法等の一部を改正する法律（令和六年法律第二十六号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Act on Support for Children and Child-rearing, etc. (Act No. 47 of 2024)
  子ども・子育て支援法等の一部を改正する法律（令和六年法律第四十七号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Act on Special Condolence Grants for Survivors of the War Dead, etc. (Act No. 18 of 2025)
  戦没者等の遺族に対する特別弔慰金支給法の一部を改正する法律（令和七年法律第十八号）
  The text after this amendment, on e-Gov
Act on the Protection of Personal Information
個人情報の保護に関する法律（こじんじょうほうのほごにかんするほうりつ）
Amended by
- Act on the Arrangement of Related Acts upon the Enforcement of the Act on Japan Institute for Health Security (Act No. 47 of 2023)
  国立健康危機管理研究機構法の施行に伴う関係法律の整備に関する法律（令和五年法律第四十七号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Basic Act on the Formation of a Digital Society, etc. to Improve Convenience for Persons Concerned in Administrative Procedures, etc. and to Simplify and Streamline Administrative Operations through the Use of Information and Communications Technology (Act No. 46 of 2024)
  情報通信技術の活用による行政手続等に係る関係者の利便性の向上並びに行政運営の簡素化及び効率化を図るためのデジタル社会形成基本法等の一部を改正する法律（令和六年法律第四十六号）
  The text after this amendment, on e-Gov
Immigration Control and Refugee Recognition Act Enforcement Order
出入国管理及び難民認定法施行令（しゅつにゅうこくかんりおよびなんみんにんていほうせこうれい）
Amended by
- Cabinet Order Partially Amending the Immigration Control and Refugee Recognition Act Enforcement Order (Cabinet Order No. 27 of 2025)
  出入国管理及び難民認定法施行令の一部を改正する政令（令和七年政令第二十七号）
  The text after this amendment, on e-Gov
Regulation for Enforcement of the Immigration Control and Refugee Recognition Act
出入国管理及び難民認定法施行規則（しゅつにゅうこくかんりおよびなんみんにんていほうしこうきそく）
Amended by
- Ministerial Order Partially Amending the Regulation for Enforcement of the Immigration Control and Refugee Recognition Act (Ministry of Justice Order No. 4 of 2025)
  出入国管理及び難民認定法施行規則の一部を改正する省令（令和七年法務省令第四号）
  The text after this amendment, on e-Gov
- Ministerial Order Partially Amending the Regulation for Enforcement of the Immigration Control and Refugee Recognition Act (Ministry of Justice Order No. 7 of 2025)
  出入国管理及び難民認定法施行規則の一部を改正する省令（令和七年法務省令第七号）
  The text after this amendment, on e-Gov
- Ministerial Order Partially Amending the Regulation for Enforcement of the Immigration Control and Refugee Recognition Act (Ministry of Justice Order No. 17 of 2025)
  出入国管理及び難民認定法施行規則の一部を改正する省令（令和七年法務省令第十七号）
  The text after this amendment, on e-Gov
Act on the Collection, etc. of Insurance Premiums of Labor Insurance
労働保険の保険料の徴収等に関する法律（ろうどうほけんのほけんりょうのちょうしゅうとうにかんするほうりつ）
Amended by
- Act Partially Amending the Employment Insurance Act, etc. (Act No. 26 of 2024)
  雇用保険法等の一部を改正する法律（令和六年法律第二十六号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Act on Support for Children and Child-rearing, etc. (Act No. 47 of 2024)
  子ども・子育て支援法等の一部を改正する法律（令和六年法律第四十七号）
  The text after this amendment, on e-Gov
Labor Standards Act
労働基準法（ろうどうきじゅんほう）
Amended by
- Act Partially Amending the Act on Childcare Leave, Caregiver Leave, and Other Measures for the Welfare of Workers Caring for Children or Other Family Members, and the Act on Advancement of Measures to Support Raising Next-Generation Children (Act No. 42 of 2024)
  育児休業、介護休業等育児又は家族介護を行う労働者の福祉に関する法律及び次世代育成支援対策推進法の一部を改正する法律（令和六年法律第四十二号）
  The text after this amendment, on e-Gov
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（ろうどうしゃはけんじぎょうのてきせいなうんえいのかくほおよびはけんろうどうしゃのほごとうにかんするほうりつ）
Amended by
- Act Partially Amending the Act on Childcare Leave, Caregiver Leave, and Other Measures for the Welfare of Workers Caring for Children or Other Family Members, and the Act on Advancement of Measures to Support Raising Next-Generation Children (Act No. 42 of 2024)
  育児休業、介護休業等育児又は家族介護を行う労働者の福祉に関する法律及び次世代育成支援対策推進法の一部を改正する法律（令和六年法律第四十二号）
  The text after this amendment, on e-Gov
Medical Practitioners' Act
医師法（いしほう）
Amended by
- Act Partially Amending the Medical Care Act, etc. for Promoting the Securing of a System for Efficiently Providing High-Quality and Appropriate Medical Care (Act No. 49 of 2021)
  良質かつ適切な医療を効率的に提供する体制の確保を推進するための医療法等の一部を改正する法律（令和三年法律第四十九号）
  The text after this amendment, on e-Gov
Medical Care Act
医療法（いりょうほう）
Amended by
- Act Partially Amending the Medical Care Act, etc. for Promoting the Securing of a System for Efficiently Providing High-Quality and Appropriate Medical Care (Act No. 49 of 2021)
  良質かつ適切な医療を効率的に提供する体制の確保を推進するための医療法等の一部を改正する法律（令和三年法律第四十九号）
  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
- Act on the Arrangement of Related Acts upon the Enforcement of the Act on Japan Institute for Health Security (Act No. 47 of 2023)
  国立健康危機管理研究機構法の施行に伴う関係法律の整備に関する法律（令和五年法律第四十七号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Act on Authorization of Public Interest Incorporated Associations and Public Interest Incorporated Foundations (Act No. 29 of 2024)
  公益社団法人及び公益財団法人の認定等に関する法律の一部を改正する法律（令和六年法律第二十九号）
  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 Employment Insurance Act, etc. (Act No. 14 of 2020)
  雇用保険法等の一部を改正する法律（令和二年法律第十四号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Act on Support for Children and Child-rearing, etc. (Act No. 47 of 2024)
  子ども・子育て支援法等の一部を改正する法律（令和六年法律第四十七号）
  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
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 Basic Act on the Formation of a Digital Society, etc. to Improve Convenience for Persons Concerned in Administrative Procedures, etc. and to Simplify and Streamline Administrative Operations through the Use of Information and Communications Technology (Act No. 46 of 2024)
  情報通信技術の活用による行政手続等に係る関係者の利便性の向上並びに行政運営の簡素化及び効率化を図るためのデジタル社会形成基本法等の一部を改正する法律（令和六年法律第四十六号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Income Tax Act, etc. (Act No. 13 of 2025)
  所得税法等の一部を改正する法律（令和七年法律第十三号）
  The text after this amendment, on e-Gov
Rules for Organization of Regional Immigration Services Bureaus
地方出入国在留管理局組織規則（ちほうしゅつにゅうこくざいりゅうかんりきょくそしききそく）
Amended by
- Ministerial Order Partially Amending the Rules for Organization of Regional Immigration Services Bureaus (Ministry of Justice Order No. 25 of 2025)
  地方出入国在留管理局組織規則の一部を改正する省令（令和七年法務省令第二十五号）
  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 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 on the Arrangement of Related Acts upon the Enforcement of the Act on Japan Institute for Health Security (Act No. 47 of 2023)
  国立健康危機管理研究機構法の施行に伴う関係法律の整備に関する法律（令和五年法律第四十七号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Local Tax Act, etc. (Act No. 4 of 2024)
  地方税法等の一部を改正する法律（令和六年法律第四号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Basic Act on the Formation of a Digital Society, etc. to Improve Convenience for Persons Concerned in Administrative Procedures, etc. and to Simplify and Streamline Administrative Operations through the Use of Information and Communications Technology (Act No. 46 of 2024)
  情報通信技術の活用による行政手続等に係る関係者の利便性の向上並びに行政運営の簡素化及び効率化を図るためのデジタル社会形成基本法等の一部を改正する法律（令和六年法律第四十六号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Local Tax Act and the Act Partially Amending the Local Tax Act, etc. (Act No. 7 of 2025)
  地方税法及び地方税法等の一部を改正する法律の一部を改正する法律（令和七年法律第七号）
  The text after this amendment, on e-Gov
Real Estate Brokerage Act
宅地建物取引業法（たくちたてものとりひきぎょうほう）
Amended by
- Act on the Development of Related Acts for the Promotion of Reform to Enhance Regional Autonomy and Independence (Act No. 53 of 2024)
  地域の自主性及び自立性を高めるための改革の推進を図るための関係法律の整備に関する法律（令和六年法律第五十三号）
  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 Private Schools Act (Act No. 21 of 2023)
  私立学校法の一部を改正する法律（令和五年法律第二十一号）
  The text after this amendment, on e-Gov
- Act on the Arrangement of Related Acts upon the Enforcement of the Act on Japan Institute for Health Security (Act No. 47 of 2023)
  国立健康危機管理研究機構法の施行に伴う関係法律の整備に関する法律（令和五年法律第四十七号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Basic Act on the Formation of a Digital Society, etc. to Improve Convenience for Persons Concerned in Administrative Procedures, etc. and to Simplify and Streamline Administrative Operations through the Use of Information and Communications Technology (Act No. 46 of 2024)
  情報通信技術の活用による行政手続等に係る関係者の利便性の向上並びに行政運営の簡素化及び効率化を図るためのデジタル社会形成基本法等の一部を改正する法律（令和六年法律第四十六号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Income Tax Act, etc. (Act No. 13 of 2025)
  所得税法等の一部を改正する法律（令和七年法律第十三号）
  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. 18 of 2025)
  所得税法施行規則の一部を改正する省令（令和七年財務省令第十八号）
  The text after this amendment, on e-Gov
Act on Special Measures for Securing the Financial Resources Necessary to Implement Measures for Reconstruction following the Great East Japan Earthquake
東日本大震災からの復興のための施策を実施するために必要な財源の確保に関する特別措置法（ひがしにほんだいしんさいからのふっこうのためのしさくをじっしするためにひつようなざいげんのかくほにかんするとくべつそちほう）
Amended by
- Act Partially Amending the Income Tax Act, etc. (Act No. 13 of 2025)
  所得税法等の一部を改正する法律（令和七年法律第十三号）
  The text after this amendment, on e-Gov
Act on Advancement of Measures to Support Raising Next-Generation Children
次世代育成支援対策推進法（じせだいいくせいしえんたいさくすいしんほう）
Amended by
- Act Partially Amending the Act on Childcare Leave, Caregiver Leave, and Other Measures for the Welfare of Workers Caring for Children or Other Family Members, and the Act on Advancement of Measures to Support Raising Next-Generation Children (Act No. 42 of 2024)
  育児休業、介護休業等育児又は家族介護を行う労働者の福祉に関する法律及び次世代育成支援対策推進法の一部を改正する法律（令和六年法律第四十二号）
  The text after this amendment, on e-Gov
Corporation Tax Act
法人税法（ほうじんぜいほう）
Amended by
- Act Partially Amending the Private Schools Act (Act No. 21 of 2023)
  私立学校法の一部を改正する法律（令和五年法律第二十一号）
  The text after this amendment, on e-Gov
- Act on the Arrangement of Related Acts upon the Enforcement of the Act on Japan Institute for Health Security (Act No. 47 of 2023)
  国立健康危機管理研究機構法の施行に伴う関係法律の整備に関する法律（令和五年法律第四十七号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Basic Act on the Formation of a Digital Society, etc. to Improve Convenience for Persons Concerned in Administrative Procedures, etc. and to Simplify and Streamline Administrative Operations through the Use of Information and Communications Technology (Act No. 46 of 2024)
  情報通信技術の活用による行政手続等に係る関係者の利便性の向上並びに行政運営の簡素化及び効率化を図るためのデジタル社会形成基本法等の一部を改正する法律（令和六年法律第四十六号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Income Tax Act, etc. (Act No. 13 of 2025)
  所得税法等の一部を改正する法律（令和七年法律第十三号）
  The text after this amendment, on e-Gov
Consumption Tax Act
消費税法（しょうひぜいほう）
Amended by
- Act Partially Amending the Private Schools Act (Act No. 21 of 2023)
  私立学校法の一部を改正する法律（令和五年法律第二十一号）
  The text after this amendment, on e-Gov
- Act on the Arrangement of Related Acts upon the Enforcement of the Act on Japan Institute for Health Security (Act No. 47 of 2023)
  国立健康危機管理研究機構法の施行に伴う関係法律の整備に関する法律（令和五年法律第四十七号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Basic Act on the Formation of a Digital Society, etc. to Improve Convenience for Persons Concerned in Administrative Procedures, etc. and to Simplify and Streamline Administrative Operations through the Use of Information and Communications Technology (Act No. 46 of 2024)
  情報通信技術の活用による行政手続等に係る関係者の利便性の向上並びに行政運営の簡素化及び効率化を図るためのデジタル社会形成基本法等の一部を改正する法律（令和六年法律第四十六号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Income Tax Act, etc. (Act No. 13 of 2025)
  所得税法等の一部を改正する法律（令和七年法律第十三号）
  The text after this amendment, on e-Gov
Act on Measures against Infringement of Rights, etc. Arising from the Distribution of Information through Specified Telecommunications
特定電気通信による情報の流通によって発生する権利侵害等への対処に関する法律（とくていでんきつうしんによるじょうほうのりゅうつうによってはっせいするけんりしんがいとうへのたいしょにかんするほうりつ）
Amended by
- Act Partially Amending the Act on the Limitation of Liability of Specified Telecommunications Service Providers for Damages and the Right to Demand Disclosure of Sender Identification Information (Act No. 25 of 2024)
  特定電気通信役務提供者の損害賠償責任の制限及び発信者情報の開示に関する法律の一部を改正する法律（令和六年法律第二十五号）
  The text after this amendment, on e-Gov
Public Assistance Act
生活保護法（せいかつほごほう）
Amended by
- Act Partially Amending the Act on Self-Reliance Support for Persons in Need, etc. (Act No. 21 of 2024)
  生活困窮者自立支援法等の一部を改正する法律（令和六年法律第二十一号）
  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 Private Schools Act (Act No. 21 of 2023)
  私立学校法の一部を改正する法律（令和五年法律第二十一号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Income Tax Act, etc. (Act No. 8 of 2024)
  所得税法等の一部を改正する法律（令和六年法律第八号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Basic Act on the Formation of a Digital Society, etc. to Improve Convenience for Persons Concerned in Administrative Procedures, etc. and to Simplify and Streamline Administrative Operations through the Use of Information and Communications Technology (Act No. 46 of 2024)
  情報通信技術の活用による行政手続等に係る関係者の利便性の向上並びに行政運営の簡素化及び効率化を図るためのデジタル社会形成基本法等の一部を改正する法律（令和六年法律第四十六号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Income Tax Act, etc. (Act No. 13 of 2025)
  所得税法等の一部を改正する法律（令和七年法律第十三号）
  The text after this amendment, on e-Gov
Act on Childcare Leave, Caregiver Leave, and Other Measures for the Welfare of Workers Caring for Children or Other Family Members
育児休業、介護休業等育児又は家族介護を行う労働者の福祉に関する法律（いくじきゅうぎょうかいごきゅうぎょうとういくじまたはかぞくかいごをおこなうろうどうしゃのふくしにかんするほうりつ）
Amended by
- Act Partially Amending the Act on Childcare Leave, Caregiver Leave, and Other Measures for the Welfare of Workers Caring for Children or Other Family Members, and the Act on Advancement of Measures to Support Raising Next-Generation Children (Act No. 42 of 2024)
  育児休業、介護休業等育児又は家族介護を行う労働者の福祉に関する法律及び次世代育成支援対策推進法の一部を改正する法律（令和六年法律第四十二号）
  The text after this amendment, on e-Gov
Administrative Case Litigation Act
行政事件訴訟法（ぎょうせいじけんそしょうほう）
Amended by
- Act on the Arrangement of Related Acts upon the Enforcement of the Act on Japan Institute for Health Security (Act No. 47 of 2023)
  国立健康危機管理研究機構法の施行に伴う関係法律の整備に関する法律（令和五年法律第四十七号）
  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 Partially Amending the Basic Act on the Formation of a Digital Society, etc. to Improve Convenience for Persons Concerned in Administrative Procedures, etc. and to Simplify and Streamline Administrative Operations through the Use of Information and Communications Technology (Act No. 46 of 2024)
  情報通信技術の活用による行政手続等に係る関係者の利便性の向上並びに行政運営の簡素化及び効率化を図るためのデジタル社会形成基本法等の一部を改正する法律（令和六年法律第四十六号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Act on Support for Children and Child-rearing, etc. (Act No. 47 of 2024)
  子ども・子育て支援法等の一部を改正する法律（令和六年法律第四十七号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Income Tax Act, etc. (Act No. 13 of 2025)
  所得税法等の一部を改正する法律（令和七年法律第十三号）
  The text after this amendment, on e-Gov
Payment Services Act
資金決済に関する法律（しきんけっさいにかんするほうりつ）
Amended by
- Act Partially Amending the Financial Instruments and Exchange Act, etc. (Act No. 79 of 2023)
  金融商品取引法等の一部を改正する法律（令和五年法律第七十九号）
  The text after this amendment, on e-Gov
Financial Instruments and Exchange Act
金融商品取引法（きんゆうしょうひんとりひきほう）
Amended by
- Act Partially Amending the Financial Instruments and Exchange Act, etc. (Act No. 79 of 2023)
  金融商品取引法等の一部を改正する法律（令和五年法律第七十九号）
  The text after this amendment, on e-Gov
- Act on the Arrangement of Related Acts upon the Enforcement of the Act on the Issuance of Official Gazettes (Act No. 86 of 2023)
  官報の発行に関する法律の施行に伴う関係法律の整備に関する法律（令和五年法律第八十六号）
  The text after this amendment, on e-Gov
Banking Act
銀行法（ぎんこうほう）
Amended by
- Act Partially Amending the Financial Instruments and Exchange Act, etc. (Act No. 79 of 2023)
  金融商品取引法等の一部を改正する法律（令和五年法律第七十九号）
  The text after this amendment, on e-Gov
Act to Facilitate the Employment of Persons with Disabilities
障害者の雇用の促進等に関する法律（しょうがいしゃのこようのそくしんとうにかんするほうりつ）
Amended by
- Act Partially Amending the Private Schools Act (Act No. 21 of 2023)
  私立学校法の一部を改正する法律（令和五年法律第二十一号）
  The text after this amendment, on e-Gov
Employment Insurance Act
雇用保険法（こようほけんほう）
Amended by
- Act Partially Amending the Employment Insurance Act, etc. (Act No. 14 of 2020)
  雇用保険法等の一部を改正する法律（令和二年法律第十四号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Employment Insurance Act, etc. (Act No. 26 of 2024)
  雇用保険法等の一部を改正する法律（令和六年法律第二十六号）
  The text after this amendment, on e-Gov
- Act Partially Amending the Act on Support for Children and Child-rearing, etc. (Act No. 47 of 2024)
  子ども・子育て支援法等の一部を改正する法律（令和六年法律第四十七号）
  The text after this amendment, on e-Gov
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 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

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