Supplementary Provisions
附 則
Supplementary Provisions, Article 1Effective Date
第一条（施行期日）
This Act comes into effect as of the date specified by Cabinet Order within a period not exceeding one year and six months from the date of promulgation; provided, however, that the provisions amending the Civil Code in Article 1 that delete Article 822 of the Civil Code, change Article 821 of that Act to Article 822 of that Act, and add one Article after Article 820 of that Act, and the provisions of Articles 2 and 4, come into effect as of the date of promulgation.
この法律は、公布の日から起算して一年六月を超えない範囲内において政令で定める日から施行する。ただし、第一条中民法第八百二十二条を削り、同法第八百二十一条を同法第八百二十二条とし、同法第八百二十条の次に一条を加える改正規定並びに第二条及び第四条の規定は、公布の日から施行する。
Supplementary Provisions, Article 2Transitional Measures Concerning Marriages in Violation of the Prohibition on Remarriage
第二条（再婚禁止に違反した婚姻の経過措置）
With regard to the rescission of a marriage made before the date of enforcement of this Act (hereinafter referred to as the "Effective Date") in violation of Article 733, paragraph (1) of the Civil Code prior to the amendment by the provisions of Article 1, and an action aimed at determining the father of a child born to a woman who remarried in violation of that paragraph, the provisions then in force continue to govern.
この法律の施行の日（以下「施行日」という。）より前にされた第一条の規定による改正前の民法第七百三十三条第一項の規定に違反した婚姻についての取消し及び同項の規定に違反して再婚をした女が出産した子に係る父を定めることを目的とする訴えについては、なお従前の例による。
Supplementary Provisions, Article 3Transitional Measures Concerning the Presumption of Child in Wedlock
第三条（嫡出の推定に関する経過措置）
The provisions of Article 772 of the Civil Code as amended by the provisions of Article 1 (hereinafter referred to as the "New Civil Code") apply to a child born on or after the Effective Date, and the provisions then in force continue to govern the presumption of child in wedlock for a child born before the Effective Date.
Supplementary Provisions, Article 4Transitional Measures Concerning Rebutting the Presumption of Child in Wedlock and Acknowledgment of Child in Wedlock
第四条（嫡出の否認及び嫡出の承認に関する経過措置）
The provisions of Article 774, paragraph (1) of the New Civil Code (limited to the part pertaining to the father's right to rebut the presumption), Article 775, paragraph (1) (limited to the part pertaining to item (i)) and paragraph (2) (limited to the part pertaining to paragraph (1), item (i) of that Article), and Article 777 (limited to the part pertaining to item (i)), and the provisions of Article 41, paragraph (1) of the Personal Status Litigation Act as amended by the provisions of Article 5, apply to a child born on or after the Effective Date, and the provisions then in force continue to govern an action brought by the father against a child born before the Effective Date to rebut the presumption of the child in wedlock.
新民法第七百七十四条第一項（父の否認権に係る部分に限る。）、第七百七十五条第一項（第一号に係る部分に限る。）及び第二項（同条第一項第一号に係る部分に限る。）並びに第七百七十七条（第一号に係る部分に限る。）の規定並びに第五条の規定による改正後の人事訴訟法第四十一条第一項の規定は、施行日以後に生まれる子について適用し、施行日前に生まれた子に対する父による嫡出否認の訴えについては、なお従前の例による。
The provisions of Article 774, paragraph (1) of the New Civil Code (limited to the part pertaining to the child's right to rebut the presumption) through paragraph (3), Article 775, paragraph (1) (limited to the part pertaining to items (ii) and (iii)), Article 776 (limited to the part pertaining to the mother), Article 777 (limited to the part pertaining to items (ii) and (iii); the same applies below in this paragraph) and Article 778-2, paragraph (1), the provisions of Article 27, paragraph (2) of the Personal Status Litigation Act as amended by the provisions of Article 5, and the provisions of Article 10 of the Act on Special Provisions of the Civil Code Concerning the Provision of Assisted Reproductive Medicine, etc. and the Parent-Child Relationship of Children Born as a Result thereof, as amended by the provisions of Article 7, also apply to a child born before the Effective Date. In this case, with regard to the application of Article 777 of the New Civil Code to an action to rebut the presumption of the child in wedlock concerning a child born before the Effective Date, the phrase "within three years from the time specified in the relevant items" in that Article is deemed to be replaced with "until one year has passed from the time of enforcement of the Act Partially Amending the Civil Code, etc. (Act No. 102 of 2022)".
新民法第七百七十四条第一項（子の否認権に係る部分に限る。）から第三項まで、第七百七十五条第一項（第二号及び第三号に係る部分に限る。）、第七百七十六条（母に係る部分に限る。）、第七百七十七条（第二号及び第三号に係る部分に限る。以下この項において同じ。）及び第七百七十八条の二第一項の規定、第五条の規定による改正後の人事訴訟法第二十七条第二項の規定並びに第七条の規定による改正後の生殖補助医療の提供等及びこれにより出生した子の親子関係に関する民法の特例に関する法律第十条の規定は、施行日前に生まれた子についても適用する。この場合において、施行日前に生まれた子に係る嫡出否認の訴えに関する新民法第七百七十七条の適用については、同条中「当該各号に定める時から三年以内」とあるのは、「民法等の一部を改正する法律（令和四年法律第百二号）の施行の時から一年を経過する時まで」とする。
The provisions of Article 774, paragraphs (4) and (5) of the New Civil Code, Article 775, paragraph (1) (limited to the part pertaining to item (iv)) and paragraph (2) (limited to the part pertaining to paragraph (1), item (iv) of that Article), Article 777 (limited to the part pertaining to item (iv)), Article 778, Article 778-2, paragraphs (2) through (4), Article 778-3 and Article 778-4 apply to a child born on or after the Effective Date.
新民法第七百七十四条第四項及び第五項、第七百七十五条第一項（第四号に係る部分に限る。）及び第二項（同条第一項第四号に係る部分に限る。）、第七百七十七条（第四号に係る部分に限る。）、第七百七十八条、第七百七十八条の二第二項から第四項まで、第七百七十八条の三並びに第七百七十八条の四の規定は、施行日以後に生まれる子について適用する。
Supplementary Provisions, Article 5Transitional Measures Concerning Acknowledgment of Parentage of an Unborn Child and Invalidity of Acknowledgment of Parentage
第五条（胎児の認知及び認知の無効に関する経過措置）
The provisions of Article 783, paragraph (2) of the New Civil Code apply to a child born on or after the Effective Date.
新民法第七百八十三条第二項の規定は、施行日以後に生まれる子について適用する。
The provisions of Article 786 of the New Civil Code apply to an acknowledgment of parentage made on or after the Effective Date, and the provisions then in force continue to govern the assertion of facts to the contrary against an acknowledgment of parentage made before the Effective Date.
新民法第七百八十六条の規定は、施行日以後にされる認知について適用し、施行日前にされた認知に対する反対の事実の主張については、なお従前の例による。
Supplementary Provisions, Article 6Delegation to Cabinet Order
第六条（政令への委任）
Beyond what is provided for in these Supplementary Provisions, transitional measures necessary for the enforcement of this Act are specified by Cabinet Order.
この附則に定めるもののほか、この法律の施行に関し必要な経過措置は、政令で定める。