# 民法 / Civil Code — 第八百十七条の五 (Article 817-5) - 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: 第八百十七条の五 (Article 817-5)（養子となる者の年齢） — address `art-817-5` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/en/civil-code/art-817-5 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/art-817-5 - 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. --- ### 第八百十七条の五（養子となる者の年齢） — (Age of Persons Being Adopted) caption: Ministry of Justice translation — Japanese Law Translation Database System art-817-5 · https://japanlaw.org/en/civil-code/art-817-5 · https://japanlaw.org/l/129AC0000000089/art-817-5 **第一項** 第八百十七条の二に規定する請求の時に十五歳に達している者は、養子となることができない。特別養子縁組が成立するまでに十八歳に達した者についても、同様とする。 art-817-5/par-1 · https://japanlaw.org/en/civil-code/art-817-5/par-1 · https://japanlaw.org/l/129AC0000000089/art-817-5/par-1 A person who has attained 15 years of age at the time of the request prescribed in Article 817-2 may not be adopted. The same applies to a person who has attained 18 years of age before the special adoption is formed. machine translation, not official **第二項** 前項前段の規定は、養子となる者が十五歳に達する前から引き続き養親となる者に監護されている場合において、十五歳に達するまでに第八百十七条の二に規定する請求がされなかったことについてやむを得ない事由があるときは、適用しない。 art-817-5/par-2 · https://japanlaw.org/en/civil-code/art-817-5/par-2 · https://japanlaw.org/l/129AC0000000089/art-817-5/par-2 The provisions of the first sentence of the preceding paragraph do not apply if the person to be adopted has been continuously in the custody of the person to become the adoptive parent since before reaching 15 years of age and there are unavoidable reasons why the request prescribed in Article 817-2 was not made by the time the person reached 15 years of age. machine translation, not official **第三項** 養子となる者が十五歳に達している場合においては、特別養子縁組の成立には、その者の同意がなければならない。 art-817-5/par-3 · https://japanlaw.org/en/civil-code/art-817-5/par-3 · https://japanlaw.org/l/129AC0000000089/art-817-5/par-3 If the person to be adopted has attained 15 years of age, the consent of that person is required for entering into a special adoption. machine translation, not official --- ## Cites - art-817-5/par-1: 第八百十七条の二 → 民法 第八百十七条の二 (Article 817-2), art-817-2 — https://japanlaw.org/en/civil-code/art-817-2 · https://japanlaw.org/l/129AC0000000089/art-817-2 - art-817-5/par-2: 前項 → 民法 第八百十七条の五第一項 (Article 817-5, paragraph (1)), art-817-5/par-1 — https://japanlaw.org/en/civil-code/art-817-5/par-1 · https://japanlaw.org/l/129AC0000000089/art-817-5/par-1 - art-817-5/par-2: 第八百十七条の二 → 民法 第八百十七条の二 (Article 817-2), art-817-2 — https://japanlaw.org/en/civil-code/art-817-2 · https://japanlaw.org/l/129AC0000000089/art-817-2 ## Cited by 2 provisions cite this one. No official source publishes this direction. - 民法 第八百十七条の二第一項（特別養子縁組の成立） — https://japanlaw.org/en/civil-code/art-817-2/par-1 · https://japanlaw.org/l/129AC0000000089/art-817-2/par-1 - 民法 第八百十七条の五第二項（養子となる者の年齢） — https://japanlaw.org/en/civil-code/art-817-5/par-2 · https://japanlaw.org/l/129AC0000000089/art-817-5/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 2 of 2) (https://www.japaneselawtranslation.go.jp/en/laws/view/4275/tb), 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-20261011T170941-004, translated 2026-10-12 - This site's parser, version 190 — 民法 — structure, counts, cross-references and defined terms, computed 2026-10-11