# 家事事件手続法 / Domestic Relations Case Procedure Act — 第二十条 (Article 20)

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- Law: 家事事件手続法 (Domestic Relations Case Procedure Act), 平成二十三年法律第五十二号
- English title "Domestic Relations Case Procedure Act": 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: 第二十条 (Article 20)（法定代理権の消滅の通知） — address `art-20`
- Text in force since: 2026-06-24
- URL (the page that opens at this provision): https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-20
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/423AC0000000052/art-20
- 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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### 第二十条（法定代理権の消滅の通知） — (Notice of Extinction of Authority of Legal Representation)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-20 · https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-20 · https://japanlaw.org/l/423AC0000000052/art-20</sup>

  **第一項**  別表第二に掲げる事項についての審判事件においては、法定代理権の消滅は、本人又は代理人から他方の当事者に通知しなければ、その効力を生じない。家事調停事件においても、同様とする。
  <sup>art-20/par-1 · https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-20/par-1 · https://japanlaw.org/l/423AC0000000052/art-20/par-1</sup>
  In adjudication cases regarding the matters set forth in Appended Table 2, the extinction of the authority of legal representation does not become effective unless the principal or the principal's representative gives notice to that effect to the other party. The same applies to cases for mediation of domestic relations.
  <sup>Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "In adjudication cases regarding the matters set forth in Appended Table 2, the extinction of the authority of legal representation does not become effective unless the principal or the principal's representative gives notice to that effect to the other party. The same applies to cases for conciliation of domestic relations." — https://www.japaneselawtranslation.go.jp/en/laws/view/4512/tb</sup>

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## Cites
- art-20/par-1: 別表第二 → 家事事件手続法 別表第二 (Appended Table 2), appdx-2 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/appdx-2 · https://japanlaw.org/l/423AC0000000052/appdx-2

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## Sources

- claude-opus-5-5 — Corrections to the Ministry of Justice's English of paragraphs, written 2026-11-05
- e-Gov 法令検索, Digital Agency (デジタル庁) — 家事事件手続法 — the text in force from 2026-06-24 (https://laws.e-gov.go.jp/law/423AC0000000052/20260624_508AC0000000045), retrieved 2026-11-05
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Domestic Relations Case Procedure Act (家事事件手続法), Article 20, paragraph (1) — the Ministry of Justice's English as printed (https://www.japaneselawtranslation.go.jp/en/laws/view/4512/tb), retrieved 2026-11-05
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Domestic Relations Case Procedure Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/4512/tb), retrieved 2026-11-05
- This site's parser, version 225 — 家事事件手続法 — structure, counts, cross-references and defined terms, computed 2026-11-05
