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Domestic Relations Case Procedure Act

家事事件手続法(かじじけんてつづきほう)

The law as Act Partially Amending the Civil Code, etc. (Act No. 45 of 2026) leaves it, with the words it changes marked.

The main text is read a page at a time: a chapter to a page, and a long chapter in runs of articles. The whole main text, and the supplementary provisions and appended tables this amendment changes. Those it leaves untouched are on the page for the text in force.

The pages of this text: 60, 30 with changes
  1. Chapter I General Rules
  2. Chapter I-2 Jurisdiction of the Japanese Courts (Articles 3-2 to 3-11)1 change
  3. Chapter I-2 Jurisdiction of the Japanese Courts (Articles 3-12 to 3-16)1 change
  4. Chapter II Jurisdiction
  5. Chapter III Disqualification and Challenge to Court Officials1 change
  6. Chapter IV Capacity to Be a Party and Capacity to Participate in Proceedings7 changes
  7. Chapter V Counsel and Assistants in Court
  8. Chapter VI Procedural Costs
  9. Chapter VII Proceedings of Domestic Relations Cases
  10. Chapter VIII Petition by Means of Electronic Data Processing System
  11. Chapter IX Concealment of Addresses, Names, etc. from Parties
  12. Chapter I General Provisions (Articles 39 to 47)10 changes
  13. Chapter I General Provisions (Articles 47-2 to 58)
  14. Chapter I General Provisions (Articles 59 to 75)
  15. Chapter I General Provisions (Articles 76 to 87)
  16. Chapter I General Provisions (Articles 88 to 100)
  17. Chapter I General Provisions (Articles 101 to 116)2 changes
  18. Section 1 Adjudication Cases Regarding Assistance (Articles 117 to 120)56 changes
  19. Section 1 Adjudication Cases Regarding Assistance (Articles 121 to 123)60 changes
  20. Section 1 Adjudication Cases Regarding Assistance (Articles 124 to 144)93 changes
  21. Section 2 Adjudication Cases for Dispositions Regarding Administration of Property of Absentee1 change
  22. Section 3 Adjudication Cases Regarding Declaration of Presumed Death55 changes
  23. Section 4 Adjudication Cases for the Appointment of a Special Representative for Receipt of a Manifestation of Intention and the Revocation Thereof7 changes
  24. Section 5 Adjudication Cases Regarding Marriage2 changes
  25. Section 6 Adjudication Cases Regarding Parents and Children (Articles 159 to 164)9 changes
  26. Section 6 Adjudication Cases Regarding Parents and Children (Articles 164-2 to 166)7 changes
  27. Section 7 Adjudication Cases Regarding Parental Authority10 changes
  28. Section 8 Adjudication Cases Regarding Guardianship of Minors3 changes
  29. Section 9 Adjudication Cases Regarding Support1 change
  30. Section 10 Adjudication Cases Regarding Disinheritance of Presumptive Heirs2 changes
  31. Section 11 Adjudication Cases for Designation of Successor to Ownership of Equipment for Rituals upon Inheritance1 change
  32. Section 12 Adjudication Cases for Dispositions Regarding the Preservation of an Estate2 changes
  33. Section 13 Adjudication Cases Regarding the Division of Estates2 changes
  34. Section 14 Adjudication Cases Regarding Acceptance and Renunciation of Inheritance
  35. Section 15 Adjudication Cases Regarding the Separation of Patrimony1 change
  36. Section 16 Adjudication Cases Regarding Nonexistence of an Heir2 changes
  37. Section 17 Adjudication Cases Regarding Wills
  38. Section 18 Adjudication Cases Regarding Heir's Legally Reserved Share
  39. Section 18-2 Adjudication Cases Regarding Special Contribution
  40. Section 19 Adjudication Cases Prescribed in the Voluntary Guardianship Contract Act29 changes
  41. Section 20 Adjudication Cases Prescribed in the Family Register Act
  42. Section 21 Adjudication Cases Prescribed in the Act on Special Cases in Handling Gender Status for Persons with Gender Identity Disorder
  43. Section 22 Adjudication Cases Prescribed in the Employees' Pension Insurance Act
  44. Section 23 Adjudication Cases Prescribed in the Child Welfare Act
  45. Section 24 Adjudication Cases Prescribed in the Public Assistance Act, etc.4 changes
  46. Section 25 Adjudication Cases Prescribed in the Act on Medical Care and Treatment for Persons Who Have Caused Serious Cases Under the Condition of Insanity
  47. Section 26 Adjudication Cases Prescribed in the Bankruptcy Act
  48. Section 27 Adjudication Cases Prescribed in the Act on Facilitation of Succession of Management of Small and Medium Sized Enterprises
  49. Chapter I General Provisions (Articles 244 to 254)2 changes
  50. Chapter I General Provisions (Articles 254-2 to 257)
  51. Chapter I General Provisions (Articles 258 to 268)
  52. Chapter I General Provisions (Articles 269 to 276)
  53. Chapter II Rulings Equivalent to Agreement
  54. Chapter III Rulings in Lieu of Mediation
  55. Chapter IV Appeals
  56. Part IV Assurance of Performance
  57. Part V Penal Provisions
  58. Supplementary Provisions11 changes
  59. Appended Table 11 change
  60. Appended Table 21 change
How the changes are shown

Underlined: words the amendment adds. A bar: where it removes words.Underlined: words the amendment adds. Struck through: the words it removes.Underlined: words the amendment adds. Struck through: the words it removes.

Part I General Provisions第一編 総則

Chapter I General Rules第一章 通則

Article 1第一条

Purpose(趣旨)
Article 1, paragraph (1)

Procedures in domestic relations cases for adjudication and for mediation (hereinafter referred to as "domestic relations cases") are governed by the provisions of this Act beyond the provisions of other laws and regulations.

家事審判及び家事調停に関する事件(以下「家事事件」という。)の手続については、他の法令に定めるもののほか、この法律の定めるところによる。

Article 2第二条

Responsibilities of Courts and Parties(裁判所及び当事者の責務)
Article 2, paragraph (1)

Courts must try to ensure that proceedings of domestic relations cases are carried out justly and expeditiously, and the parties must conduct domestic relations case proceedings in good faith.

裁判所は、家事事件の手続が公正かつ迅速に行われるように努め、当事者は、信義に従い誠実に家事事件の手続を追行しなければならない。

Article 3第三条

Rules of the Supreme Court(最高裁判所規則)
Article 3, paragraph (1)

Beyond what is provided for in this Act, necessary matters concerning proceedings of domestic relations cases are specified by the Rules of the Supreme Court.

この法律に定めるもののほか、家事事件の手続に関し必要な事項は、最高裁判所規則で定める。

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