# 家事事件手続法 / Domestic Relations Case Procedure Act — 第十一条 (Article 11) This is the Markdown twin of https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-11. Every law, and how to address a provision: https://japanlaw.org/llms.txt. The same laws as MCP tools (no sign-in): https://japanlaw.org/mcp. - 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: 第十一条 (Article 11)（裁判官の忌避） — address `art-11` - 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-11 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/423AC0000000052/art-11 - 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. --- ### 第十一条（裁判官の忌避） — (Challenge to Judge) caption: Ministry of Justice translation — Japanese Law Translation Database System art-11 · https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-11 · https://japanlaw.org/l/423AC0000000052/art-11 **第一項** 裁判官について裁判又は調停の公正を妨げる事情があるときは、当事者は、その裁判官を忌避することができる。 art-11/par-1 · https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-11/par-1 · https://japanlaw.org/l/423AC0000000052/art-11/par-1 If there are circumstances with regard to a judge that would prejudice the impartiality of a judicial decision or mediation, a party may challenge the judge. Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "If there are circumstances with regard to a judge that would prejudice the impartiality of a judicial decision or conciliation, a party may challenge the judge." — https://www.japaneselawtranslation.go.jp/en/laws/view/4512/tb **第二項** 当事者は、裁判官の面前において事件について陳述をしたときは、その裁判官を忌避することができない。ただし、忌避の原因があることを知らなかったとき、又は忌避の原因がその後に生じたときは、この限りでない。 art-11/par-2 · https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-11/par-2 · https://japanlaw.org/l/423AC0000000052/art-11/par-2 If a party has argued a case before a judge, the party may not challenge that judge; provided, however, that this is not the case if the party did not know the grounds for a challenge had already existed or they came about afterwards. Ministry of Justice translation — Japanese Law Translation Database System ## Cited by 4 provisions cite this one. No official source publishes this direction. - 家事事件手続法 第十二条第五項第二号（除斥又は忌避の裁判及び手続の停止） — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-12/par-5/item-2 · https://japanlaw.org/l/423AC0000000052/art-12/par-5/item-2 - 家事事件手続法 第十三条第一項（裁判所書記官の除斥及び忌避） — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-13/par-1 · https://japanlaw.org/l/423AC0000000052/art-13/par-1 - 家事事件手続法 第十四条第一項（参与員の除斥及び忌避） — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-14/par-1 · https://japanlaw.org/l/423AC0000000052/art-14/par-1 - 家事事件手続法 第十五条第一項（家事調停官の除斥及び忌避） — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-15/par-1 · https://japanlaw.org/l/423AC0000000052/art-15/par-1 --- ## 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 11, 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