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Civil Code

民法（みんぽう）

Every amendment to this law that e-Gov records and, for those whose changes this site has read, what each one changes, provision by provision: the wording before and after, in Japanese and in English, with the words that change marked.

Promulgated, not yet in force

  • By 23 June 2027

    at the latest, in 8 months

    Amended by

    Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026)

    民法等の一部を改正する法律

    26 provisions changed · 23 provisions added · 2 provisions in the supplementary provisions

    See what changes

  • Date not yet set

    Not yet in force

    Amended by

    Act on the Arrangement, etc. of Related Acts upon the Enforcement of the Act on Security Assignment Contracts and Retention of Title Contracts (Act No. 57 of 2025)

    譲渡担保契約及び所有権留保契約に関する法律の施行に伴う関係法律の整備等に関する法律

    5 provisions changed · 1 provision added

    See what changes

  • By 13 June 2028

    at the latest, in 2 years

    Amended by

    Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023)

    民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律

    2 provisions changed · 2 provisions added

    See what changes

  • By 23 December 2028

    at the latest, in 2 years

    Amended by

    Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026)

    民法等の一部を改正する法律

    130 provisions changed · 107 provisions added · 68 provisions removed · 20 provisions in the supplementary provisions

    See what changes

  • By 23 June 2029

    at the latest, in 3 years

    Amended by

    Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026)

    民法等の一部を改正する法律

    2 provisions changed · 6 provisions added

    See what changes

Other amendments e-Gov records

32 more amendments to this law that e-Gov records with no page of their own here: when each took effect, and the amending law. What each changed is not on this site yet.

  • 24 June 2026

    The text on this site

    Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026)

    民法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 April 2026

    Since replaced

    Act Partially Amending the Civil Code, etc. (Act No. 33 of 2024)

    民法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 October 2025

    Since replaced

    Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023)

    民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律

    The text after this amendment, on e-Gov

  • 6 June 2025

    Since replaced

    Act on the Arrangement, etc. of Related Acts upon the Enforcement of the Act on Security Assignment Contracts and Retention of Title Contracts (Act No. 57 of 2025)

    譲渡担保契約及び所有権留保契約に関する法律の施行に伴う関係法律の整備等に関する法律

    The text after this amendment, on e-Gov

  • 1 June 2025

    Since replaced

    Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Penal Code, etc. (Act No. 68 of 2022)

    刑法等の一部を改正する法律の施行に伴う関係法律の整理等に関する法律

    The text after this amendment, on e-Gov

  • 24 May 2024

    Since replaced

    Act Partially Amending the Civil Code, etc. (Act No. 33 of 2024)

    民法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 April 2024

    Since replaced

    Act Partially Amending the Civil Code, etc. (Act No. 102 of 2022)

    民法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 14 June 2023

    Since replaced

    Act on the Arrangement of Related Acts to Promote the Use of Information and Communications Technology in Civil Procedures, etc. (Act No. 53 of 2023)

    民事関係手続等における情報通信技術の活用等の推進を図るための関係法律の整備に関する法律

    The text after this amendment, on e-Gov

  • 1 April 2023

    Since replaced

    Act Partially Amending the National Public Service Act, etc. (Act No. 61 of 2021)

    国家公務員法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 April 2023

    Since replaced

    Act Partially Amending the Civil Code, etc. (Act No. 24 of 2021)

    民法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 16 December 2022

    Since replaced

    Act Partially Amending the Civil Code, etc. (Act No. 102 of 2022)

    民法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 September 2022

    Since replaced

    Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Companies Act (Act No. 71 of 2019)

    会社法の一部を改正する法律の施行に伴う関係法律の整備等に関する法律

    The text after this amendment, on e-Gov

  • 17 June 2022

    Since replaced

    Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Penal Code, etc. (Act No. 68 of 2022)

    刑法等の一部を改正する法律の施行に伴う関係法律の整理等に関する法律

    The text after this amendment, on e-Gov

  • 1 April 2022

    Since replaced

    Act on the Arrangement of Related Acts for the Formation of a Digital Society (Act No. 37 of 2021)

    デジタル社会の形成を図るための関係法律の整備に関する法律

    The text after this amendment, on e-Gov

  • 1 April 2022

    Since replaced

    Act Partially Amending the Civil Code (Act No. 59 of 2018)

    民法の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 September 2021

    Since replaced

    Act on the Arrangement of Related Acts for the Formation of a Digital Society (Act No. 37 of 2021)

    デジタル社会の形成を図るための関係法律の整備に関する法律

    The text after this amendment, on e-Gov

  • 19 May 2021

    Since replaced

    Act on the Arrangement of Related Acts for the Formation of a Digital Society (Act No. 37 of 2021)

    デジタル社会の形成を図るための関係法律の整備に関する法律

    The text after this amendment, on e-Gov

  • 28 April 2021

    Since replaced

    Act Partially Amending the Civil Code, etc. (Act No. 24 of 2021)

    民法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 April 2020

    Since replaced

    Act Partially Amending the Civil Code, etc. (Act No. 34 of 2019)

    民法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 April 2020

    Since replaced

    Act Partially Amending the Civil Execution Act and the Act for Implementation of the Convention on the Civil Aspects of International Child Abduction (Act No. 2 of 2019)

    民事執行法及び国際的な子の奪取の民事上の側面に関する条約の実施に関する法律の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 April 2020

    Since replaced

    Act Partially Amending the Civil Code and the Domestic Relations Case Procedure Act (Act No. 72 of 2018)

    民法及び家事事件手続法の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 April 2020

    Since replaced

    Act Partially Amending the Civil Code (Act No. 44 of 2017)

    民法の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 March 2020

    Since replaced

    Act Partially Amending the Civil Code (Act No. 44 of 2017)

    民法の一部を改正する法律

    The text after this amendment, on e-Gov

  • 11 December 2019

    Since replaced

    Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Companies Act (Act No. 71 of 2019)

    会社法の一部を改正する法律の施行に伴う関係法律の整備等に関する法律

    The text after this amendment, on e-Gov

  • 1 July 2019

    Since replaced

    Act Partially Amending the Civil Code and the Domestic Relations Case Procedure Act (Act No. 72 of 2018)

    民法及び家事事件手続法の一部を改正する法律

    The text after this amendment, on e-Gov

  • 14 June 2019

    Since replaced

    Act Partially Amending the Civil Code, etc. (Act No. 34 of 2019)

    民法等の一部を改正する法律

    The text after this amendment, on e-Gov

  • 17 May 2019

    Since replaced

    Act Partially Amending the Civil Execution Act and the Act for Implementation of the Convention on the Civil Aspects of International Child Abduction (Act No. 2 of 2019)

    民事執行法及び国際的な子の奪取の民事上の側面に関する条約の実施に関する法律の一部を改正する法律

    The text after this amendment, on e-Gov

  • 13 January 2019

    Since replaced

    Act Partially Amending the Civil Code and the Domestic Relations Case Procedure Act (Act No. 72 of 2018)

    民法及び家事事件手続法の一部を改正する法律

    The text after this amendment, on e-Gov

  • 20 June 2018

    Since replaced

    Act Partially Amending the Civil Code (Act No. 59 of 2018)

    民法の一部を改正する法律

    The text after this amendment, on e-Gov

  • 1 April 2018

    Since replaced

    Act Partially Amending the Civil Code (Act No. 44 of 2017)

    民法の一部を改正する法律

    The text after this amendment, on e-Gov

  • 2 June 2017

    Since replaced

    Act Partially Amending the Civil Code (Act No. 44 of 2017)

    民法の一部を改正する法律

    The text after this amendment, on e-Gov

  • 13 October 2016

    Since replaced

    Act Partially Amending the Civil Code and the Domestic Relations Case Procedure Act to Facilitate the Affairs of Adult Guardianship (Act No. 27 of 2016)

    成年後見の事務の円滑化を図るための民法及び家事事件手続法の一部を改正する法律

    The text after this amendment, on e-Gov