# 民法 / Civil Code — 第四条 (Supplementary Provisions, Article 4) - 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: 第四条 (Supplementary Provisions, Article 4)（離縁等の場合の氏に関する経過措置） — address `suppl-3621-101/art-4` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/en/civil-code/suppl-3621-101/art-4 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/suppl-3621-101/art-4 - 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. --- ### 第四条（離縁等の場合の氏に関する経過措置） — Transitional Measures Concerning Surnames in the Case of Dissolution of Adoptive Relationship, etc. caption: machine translation, not official suppl-3621-101/art-4 · https://japanlaw.org/en/civil-code/suppl-3621-101/art-4 · https://japanlaw.org/l/129AC0000000089/suppl-3621-101/art-4 **第一項** この法律の施行前三月以内に離縁をし、又は縁組が取り消された場合における新法第八百十六条第二項（新法第八百八条第二項において準用する場合を含む。）の規定の適用については、新法第八百十六条第二項中「離縁の日から三箇月以内」とあるのは、「民法等の一部を改正する法律（昭和六十二年法律第百一号）の施行の日から三箇月以内」とする。 suppl-3621-101/art-4/par-1 · https://japanlaw.org/en/civil-code/suppl-3621-101/art-4/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3621-101/art-4/par-1 In the case where a person dissolves an adoptive relationship, or an adoption is annulled, within three months before this Act comes into effect, with regard to the application of the provisions of Article 816, paragraph (2) of the New Act (including as applied mutatis mutandis pursuant to Article 808, paragraph (2) of the New Act), the phrase "within three months of the date of its dissolution" in Article 816, paragraph (2) of the New Act is deemed to be replaced with "within three months of the date on which the Act Partially Amending the Civil Code, etc. (Act No. 101 of 1987) comes into effect". machine translation, not official --- ## Cites - suppl-3621-101/art-4/par-1: 新法第八百十六条第二項 → 民法 第八百十六条第二項 (Article 816, paragraph (2)), art-816/par-2 — https://japanlaw.org/en/civil-code/art-816/par-2 · https://japanlaw.org/l/129AC0000000089/art-816/par-2 - suppl-3621-101/art-4/par-1: 新法第八百八条第二項 → 民法 第八百八条第二項 (Article 808, paragraph (2)), art-808/par-2 — https://japanlaw.org/en/civil-code/art-808/par-2 · https://japanlaw.org/l/129AC0000000089/art-808/par-2 --- ## 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-20261011T170941-015, translated 2026-10-12 - This site's parser, version 190 — 民法 — structure, counts, cross-references and defined terms, computed 2026-10-11