# 民法 / Civil Code — 附　則 (Supplementary Provisions) - Law: 民法 (Civil Code), 明治二十九年法律第八十九号 - English title "Civil Code": Ministry of Justice translation - Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say. - Provision: 附　則 (Supplementary Provisions) — address `suppl-4301-59` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/ja/civil-code/suppl-4301-59 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/suppl-4301-59 - Every provision below carries its address and both URLs on the line under it. - Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below. Only the Japanese as published by the government has legal effect; the text below is a copy of it. Every English rendering below is a translation and says which kind: the Ministry of Justice's translation, or this site's machine translation, whose model and date the Sources list names. They are never merged and never substituted for one another. --- ## 附　則 平成三〇年六月二〇日法律第五九号 suppl-4301-59 · https://japanlaw.org/ja/civil-code/suppl-4301-59 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59 ### 第一条（施行期日） — Effective Date caption: machine translation, not official suppl-4301-59/art-1 · https://japanlaw.org/ja/civil-code/suppl-4301-59/art-1 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-1 **第一項** この法律は、平成三十四年四月一日から施行する。ただし、附則第二十六条の規定は、公布の日から施行する。 suppl-4301-59/art-1/par-1 · https://japanlaw.org/ja/civil-code/suppl-4301-59/art-1/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-1/par-1 This Act comes into effect as of April 1, 2022; provided however, that the provisions of Article 26 of the Supplementary Provisions come into effect as of the date of promulgation. machine translation, not official ### 第二条（成年に関する経過措置） — Transitional Measures Concerning Age of Majority caption: machine translation, not official suppl-4301-59/art-2 · https://japanlaw.org/ja/civil-code/suppl-4301-59/art-2 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-2 **第一項** この法律による改正後の民法（以下「新法」という。）第四条の規定は、この法律の施行の日（以下「施行日」という。）以後に十八歳に達する者について適用し、この法律の施行の際に二十歳以上の者の成年に達した時については、なお従前の例による。 suppl-4301-59/art-2/par-1 · https://japanlaw.org/ja/civil-code/suppl-4301-59/art-2/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-2/par-1 The provisions of Article 4 of the Civil Code as amended by this Act (referred to as the "New Act" below) apply to a person who attains the age of 18 on or after the day of enforcement of this Act (referred to as the "Effective Date" below), and with regard to the time at which a person aged 20 or more at the time of the enforcement of this Act attained the age of majority, the provisions then in force continue to govern. machine translation, not official **第二項** この法律の施行の際に十八歳以上二十歳未満の者（次項に規定する者を除く。）は、施行日において成年に達するものとする。 suppl-4301-59/art-2/par-2 · https://japanlaw.org/ja/civil-code/suppl-4301-59/art-2/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-2/par-2 A person aged 18 or more and less than 20 at the time of the enforcement of this Act (excluding a person prescribed in the following paragraph) is to attain the age of majority on the Effective Date. machine translation, not official **第三項** 施行日前に婚姻をし、この法律による改正前の民法（次条第三項において「旧法」という。）第七百五十三条の規定により成年に達したものとみなされた者については、この法律の施行後も、なお従前の例により当該婚姻の時に成年に達したものとみなす。 suppl-4301-59/art-2/par-3 · https://japanlaw.org/ja/civil-code/suppl-4301-59/art-2/par-3 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-2/par-3 With regard to a person who married before the Effective Date and was deemed to have attained the age of majority pursuant to the provisions of Article 753 of the Civil Code before amendment by this Act (referred to as the "Former Act" in paragraph (3) of the following Article), the person continues, after the enforcement of this Act as well, to be deemed to have attained the age of majority at the time of that marriage, in accordance with the provisions then in force. machine translation, not official ### 第三条（婚姻に関する経過措置） — Transitional Measures Concerning Marriage caption: machine translation, not official suppl-4301-59/art-3 · https://japanlaw.org/ja/civil-code/suppl-4301-59/art-3 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-3 **第一項** 施行日前にした婚姻の取消し（女が適齢に達していないことを理由とするものに限る。）については、新法第七百三十一条及び第七百四十五条の規定にかかわらず、なお従前の例による。 suppl-4301-59/art-3/par-1 · https://japanlaw.org/ja/civil-code/suppl-4301-59/art-3/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-3/par-1 With regard to the cancellation of a marriage made before the Effective Date (limited to one on the ground that the woman had not attained the marriageable age), notwithstanding the provisions of Articles 731 and 745 of the New Act, the provisions then in force continue to govern. machine translation, not official **第二項** この法律の施行の際に十六歳以上十八歳未満の女は、新法第七百三十一条の規定にかかわらず、婚姻をすることができる。 suppl-4301-59/art-3/par-2 · https://japanlaw.org/ja/civil-code/suppl-4301-59/art-3/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-3/par-2 A woman aged 16 or more and less than 18 at the time of the enforcement of this Act may marry, notwithstanding the provisions of Article 731 of the New Act. machine translation, not official **第三項** 前項の規定による婚姻については、旧法第七百三十七条、第七百四十条（旧法第七百四十一条において準用する場合を含む。）及び第七百五十三条の規定は、なおその効力を有する。 suppl-4301-59/art-3/par-3 · https://japanlaw.org/ja/civil-code/suppl-4301-59/art-3/par-3 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-3/par-3 With regard to a marriage pursuant to the provisions of the preceding paragraph, the provisions of Article 737, Article 740 (including as applied mutatis mutandis pursuant to Article 741 of the Former Act), and Article 753 of the Former Act remain in force. machine translation, not official ### 第四条（縁組に関する経過措置） — Transitional Measures Concerning Adoption caption: machine translation, not official suppl-4301-59/art-4 · https://japanlaw.org/ja/civil-code/suppl-4301-59/art-4 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-4 **第一項** 施行日前にした縁組の取消し（養親となる者が成年に達していないことを理由とするものに限る。）については、新法第四条、第七百九十二条及び第八百四条の規定並びに附則第二条第二項の規定にかかわらず、なお従前の例による。 suppl-4301-59/art-4/par-1 · https://japanlaw.org/ja/civil-code/suppl-4301-59/art-4/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-4/par-1 With regard to the annulment of an adoption made before the Effective Date (limited to one on the ground that the person who is to be the adoptive parent has not attained the age of majority), notwithstanding the provisions of Articles 4, 792, and 804 of the New Act and the provisions of Article 2, paragraph (2) of the Supplementary Provisions, the provisions then in force continue to govern. machine translation, not official ### 第二十五条（罰則に関する経過措置） — Transitional Measures Concerning Penal Provisions caption: machine translation, not official suppl-4301-59/art-25 · https://japanlaw.org/ja/civil-code/suppl-4301-59/art-25 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-25 **第一項** 施行日前にした行為及び附則第十三条の規定によりなお従前の例によることとされる場合における施行日以後にした行為に対する罰則の適用については、なお従前の例による。 suppl-4301-59/art-25/par-1 · https://japanlaw.org/ja/civil-code/suppl-4301-59/art-25/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-25/par-1 With regard to the application of penal provisions to an act committed before the Effective Date and an act committed on or after the Effective Date in a case where the provisions then in force are to continue to govern pursuant to the provisions of Article 13 of the Supplementary Provisions, the provisions then in force continue to govern. machine translation, not official ### 第二十六条（政令への委任） — Delegation to Cabinet Order caption: machine translation, not official suppl-4301-59/art-26 · https://japanlaw.org/ja/civil-code/suppl-4301-59/art-26 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-26 **第一項** この附則に規定するもののほか、この法律の施行に関し必要な経過措置は、政令で定める。 suppl-4301-59/art-26/par-1 · https://japanlaw.org/ja/civil-code/suppl-4301-59/art-26/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-26/par-1 Beyond what is provided for in these Supplementary Provisions, transitional measures necessary in connection with the enforcement of this Act are specified by Cabinet Order. machine translation, not official --- ## Cites - suppl-4301-59/art-1/par-1: 附則第二十六条 → 民法 附則第二十六条 (Supplementary Provisions, Article 26), suppl-4301-59/art-26 — https://japanlaw.org/ja/civil-code/suppl-4301-59/art-26 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-26 - suppl-4301-59/art-2/par-1: 第四条 → 民法 第四条 (Article 4), art-4 — https://japanlaw.org/ja/civil-code/art-4 · https://japanlaw.org/l/129AC0000000089/art-4 - suppl-4301-59/art-2/par-2: 次項 → 民法 附則第二条第三項 (Supplementary Provisions, Article 2, paragraph (3)), suppl-4301-59/art-2/par-3 — https://japanlaw.org/ja/civil-code/suppl-4301-59/art-2/par-3 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-2/par-3 - suppl-4301-59/art-2/par-3: 次条第三項 → 民法 附則第三条第三項 (Supplementary Provisions, Article 3, paragraph (3)), suppl-4301-59/art-3/par-3 — https://japanlaw.org/ja/civil-code/suppl-4301-59/art-3/par-3 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-3/par-3 - suppl-4301-59/art-3/par-1: 新法第七百三十一条 → 民法 第七百三十一条 (Article 731), art-731 — https://japanlaw.org/ja/civil-code/art-731 · https://japanlaw.org/l/129AC0000000089/art-731 - suppl-4301-59/art-3/par-1: 第七百四十五条 → 民法 第七百四十五条 (Article 745), art-745 — https://japanlaw.org/ja/civil-code/art-745 · https://japanlaw.org/l/129AC0000000089/art-745 - suppl-4301-59/art-3/par-2: 新法第七百三十一条 → 民法 第七百三十一条 (Article 731), art-731 — https://japanlaw.org/ja/civil-code/art-731 · https://japanlaw.org/l/129AC0000000089/art-731 - suppl-4301-59/art-3/par-3: 前項 → 民法 附則第三条第二項 (Supplementary Provisions, Article 3, paragraph (2)), suppl-4301-59/art-3/par-2 — https://japanlaw.org/ja/civil-code/suppl-4301-59/art-3/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-3/par-2 - suppl-4301-59/art-4/par-1: 新法第四条 → 民法 第四条 (Article 4), art-4 — https://japanlaw.org/ja/civil-code/art-4 · https://japanlaw.org/l/129AC0000000089/art-4 - suppl-4301-59/art-4/par-1: 第七百九十二条 → 民法 第七百九十二条 (Article 792), art-792 — https://japanlaw.org/ja/civil-code/art-792 · https://japanlaw.org/l/129AC0000000089/art-792 - suppl-4301-59/art-4/par-1: 第八百四条 → 民法 第八百四条 (Article 804), art-804 — https://japanlaw.org/ja/civil-code/art-804 · https://japanlaw.org/l/129AC0000000089/art-804 - suppl-4301-59/art-4/par-1: 附則第二条第二項 → 民法 附則第二条第二項 (Supplementary Provisions, Article 2, paragraph (2)), suppl-4301-59/art-2/par-2 — https://japanlaw.org/ja/civil-code/suppl-4301-59/art-2/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-2/par-2 ## Cited by 5 provisions cite this one. No official source publishes this direction. - 民法 附則第一条第一項（施行期日） — https://japanlaw.org/ja/civil-code/suppl-4301-59/art-1/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-1/par-1 - 民法 附則第二条第二項（成年に関する経過措置） — https://japanlaw.org/ja/civil-code/suppl-4301-59/art-2/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-2/par-2 - 民法 附則第二条第三項（成年に関する経過措置） — https://japanlaw.org/ja/civil-code/suppl-4301-59/art-2/par-3 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-2/par-3 - 民法 附則第三条第三項（婚姻に関する経過措置） — https://japanlaw.org/ja/civil-code/suppl-4301-59/art-3/par-3 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-3/par-3 - 民法 附則第四条第一項（縁組に関する経過措置） — https://japanlaw.org/ja/civil-code/suppl-4301-59/art-4/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-4301-59/art-4/par-1 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 民法 — the text in force from 2026-06-24 (https://laws.e-gov.go.jp/law/129AC0000000089/20260624_508AC0000000045), retrieved 2026-10-11 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Civil Code — Ministry of Justice translation (part 1 of 2) (https://www.japaneselawtranslation.go.jp/en/laws/view/4848/tb), retrieved 2026-10-11 - claude-sonnet-5-5 — Machine translation, batch civil-code-20261011T170941-023, translated 2026-10-12 - claude-sonnet-5-5 — Machine translation, batch civil-code-20261011T170941-024, translated 2026-10-12 - This site's parser, version 190 — 民法 — structure, counts, cross-references and defined terms, computed 2026-10-11