# 民法 / Civil Code — 第百二十四条 (Article 124)

- 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: 第百二十四条 (Article 124)（追認の要件） — address `art-124`
- Text in force since: 2026-06-24
- URL (the page that opens at this provision): https://japanlaw.org/ja/civil-code/art-124
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/art-124
- 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.

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### 第百二十四条（追認の要件） — (Requirements for Ratification)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-124 · https://japanlaw.org/ja/civil-code/art-124 · https://japanlaw.org/l/129AC0000000089/art-124</sup>

    **第一項**  取り消すことができる行為の追認は、取消しの原因となっていた状況が消滅し、かつ、取消権を有することを知った後にしなければ、その効力を生じない。
    <sup>art-124/par-1 · https://japanlaw.org/ja/civil-code/art-124/par-1 · https://japanlaw.org/l/129AC0000000089/art-124/par-1</sup>
    The ratification of a revocable act does not become effective unless it is made after the circumstances that made the act revocable cease to exist and the person ratifying the act becomes aware of the right to revoke it.
    <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

    **第二項**  次に掲げる場合には、前項の追認は、取消しの原因となっていた状況が消滅した後にすることを要しない。
    <sup>art-124/par-2 · https://japanlaw.org/ja/civil-code/art-124/par-2 · https://japanlaw.org/l/129AC0000000089/art-124/par-2</sup>
    In the following cases, the ratification referred to in the preceding paragraph is not required to be made after the circumstances that made the act voidable cease to exist:
    <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

      **一**  法定代理人又は制限行為能力者の保佐人若しくは補助人が追認をするとき。
      <sup>art-124/par-2/item-1 · https://japanlaw.org/ja/civil-code/art-124/par-2/item-1 · https://japanlaw.org/l/129AC0000000089/art-124/par-2/item-1</sup>
      if a legal representative or a curator or assistant of a person with qualified legal capacity ratifies the act; or
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

      **二**  制限行為能力者（成年被後見人を除く。）が法定代理人、保佐人又は補助人の同意を得て追認をするとき。
      <sup>art-124/par-2/item-2 · https://japanlaw.org/ja/civil-code/art-124/par-2/item-2 · https://japanlaw.org/l/129AC0000000089/art-124/par-2/item-2</sup>
      if a person with qualified legal capacity (excluding an adult ward) ratifies the act with the consent of a legal representative, curator or assistant.
      <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

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## Cites
- art-124/par-2: 前項 → 民法 第百二十四条第一項 (Article 124, paragraph (1)), art-124/par-1 — https://japanlaw.org/ja/civil-code/art-124/par-1 · https://japanlaw.org/l/129AC0000000089/art-124/par-1

## Cited by

5 provisions cite this one. No official source publishes this direction.

- 民法 第百二十四条第二項（追認の要件） — https://japanlaw.org/ja/civil-code/art-124/par-2 · https://japanlaw.org/l/129AC0000000089/art-124/par-2
- 民法 第八百六十五条第二項 — https://japanlaw.org/ja/civil-code/art-865/par-2 · https://japanlaw.org/l/129AC0000000089/art-865/par-2
- 民法 第八百六十六条第二項（被後見人の財産等の譲受けの取消し） — https://japanlaw.org/ja/civil-code/art-866/par-2 · https://japanlaw.org/l/129AC0000000089/art-866/par-2
- 民法 第八百七十二条第二項（未成年被後見人と未成年後見人等との間の契約等の取消し） — https://japanlaw.org/ja/civil-code/art-872/par-2 · https://japanlaw.org/l/129AC0000000089/art-872/par-2
- 民法 附則第八条第二項（無効及び取消しに関する経過措置） — https://japanlaw.org/ja/civil-code/suppl-4291-44/art-8/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-8/par-2

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## 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
- This site's parser, version 190 — 民法 — structure, counts, cross-references and defined terms, computed 2026-10-11
