# 家事事件手続法 / Domestic Relations Case Procedure Act — 第十七条 (Article 17) This is the Markdown twin of https://japanlaw.org/en/domestic-relations-case-procedure-act/art-17. 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: 第十七条 (Article 17)（当事者能力及び手続行為能力の原則等） — address `art-17` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/en/domestic-relations-case-procedure-act/art-17 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/423AC0000000052/art-17 - 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. --- ### 第十七条（当事者能力及び手続行為能力の原則等） — (Principles for Capacity to Be a Party and Capacity to Participate in Proceedings) caption: Ministry of Justice translation — Japanese Law Translation Database System art-17 · https://japanlaw.org/en/domestic-relations-case-procedure-act/art-17 · https://japanlaw.org/l/423AC0000000052/art-17 **第一項** 当事者能力、家事事件の手続における手続上の行為（以下「手続行為」という。）をすることができる能力（以下この項において「手続行為能力」という。）、手続行為能力を欠く者の法定代理及び手続行為をするのに必要な授権については、民事訴訟法第二十八条、第二十九条、第三十一条、第三十三条並びに第三十四条第一項及び第二項の規定を準用する。 art-17/par-1 · https://japanlaw.org/en/domestic-relations-case-procedure-act/art-17/par-1 · https://japanlaw.org/l/423AC0000000052/art-17/par-1 With regard to a person's capacity to be a party, the capacity to perform acts in the proceedings of domestic relations cases (hereinafter referred to as "procedural acts") (hereinafter referred to as the "capacity to participate in proceedings" in this paragraph), the legal representation of a person without the capacity to participate in proceedings, and the delegation of powers as necessary for performing procedural acts, the provisions of Article 28, Article 29, Article 31, Article 33, and Article 34, paragraphs (1) and (2) of the Code of Civil Procedure apply mutatis mutandis. Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "With regard to a person's capacity to be a party, the capacity to participate in proceedings of domestic relation cases (hereinafter referred to as the "capacity to participate in proceedings" in this paragraph), the legal representation of a person without the capacity to participate in proceedings, and the delegation of powers as necessary for performing procedural acts, the provisions of Article 28, Article 29, Article 31, Article 33, and Article 34, paragraphs (1) and (2) of the Code of Civil Procedure apply mutatis mutandis." — https://www.japaneselawtranslation.go.jp/en/laws/view/4512/tb **第二項** 被保佐人、被補助人（手続行為をすることにつきその補助人の同意を得ることを要するものに限る。次項において同じ。）又は後見人その他の法定代理人が他の者がした家事審判又は家事調停の申立て又は抗告について手続行為をするには、保佐人若しくは保佐監督人、補助人若しくは補助監督人又は後見監督人の同意その他の授権を要しない。職権により手続が開始された場合についても、同様とする。 art-17/par-2 · https://japanlaw.org/en/domestic-relations-case-procedure-act/art-17/par-2 · https://japanlaw.org/l/423AC0000000052/art-17/par-2 In order for a person under curatorship, a person under assistance (limited to a person who is required to obtain consent from the person's assistant to participate in proceedings; the same applies in the following paragraph) or a guardian or any other legal representatives to perform any procedural acts with regard to a petition for adjudication of domestic relations or mediation of domestic relations or an appeal filed by a person other than the person, the person must not be required to obtain consent or otherwise have powers delegated to the person from the curator or supervisor of the curator, assistant or supervisor of the assistant, or supervisor of the guardian. The same applies when proceedings are commenced by the court's own authority. Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "In order for a person under curatorship, a person under assistance (limited to a person who is required to obtain consent from the person's assistant to participate in proceedings; the same applies in the following paragraph) or a guardian or any other legal representatives to perform any procedural acts with regard to a petition for adjudication of domestic relations or conciliation of domestic relations or an appeal filed by a person other than the person, the person must not be required to obtain consent or otherwise have powers delegated to the person from the curator or supervisor of the curator, assistant or supervisor of the assistant, or supervisor of the guardian. The same applies when proceedings are commenced ." — https://www.japaneselawtranslation.go.jp/en/laws/view/4512/tb **第三項** 被保佐人、被補助人又は後見人その他の法定代理人が次に掲げる手続行為をするには、特別の授権がなければならない。ただし、家事調停の申立てその他家事調停の手続の追行について同意その他の授権を得ている場合において、第二号に掲げる手続行為をするときは、この限りでない。 art-17/par-3 · https://japanlaw.org/en/domestic-relations-case-procedure-act/art-17/par-3 · https://japanlaw.org/l/423AC0000000052/art-17/par-3 In order for a person under curatorship, a person under assistance or a guardian or any other legal representative to perform any of the following procedural acts, the person must have powers specially delegated to the person:provided, however, that this does not apply where the person has obtained consent or otherwise had powers delegated to the person to file a petition for mediation of domestic relations or conduct other proceedings for mediation of domestic relations, and the person performs the procedural acts set forth in item (ii): Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "In order for a person under curatorship, a person under assistance or a guardian or any other legal representative to perform any of the following procedural acts, the person must have powers specially delegated to the person:provided, however, that this does not apply where the person has obtained consent or otherwise had powers delegated to the person to file a petition for conciliation of domestic relations or conduct other proceedings for conciliation of domestic relations, and the person performs the procedural acts set forth in item (ii):" — https://www.japaneselawtranslation.go.jp/en/laws/view/4512/tb **一** 家事審判又は家事調停の申立ての取下げ art-17/par-3/item-1 · https://japanlaw.org/en/domestic-relations-case-procedure-act/art-17/par-3/item-1 · https://japanlaw.org/l/423AC0000000052/art-17/par-3/item-1 withdrawal of a petition for adjudication of domestic relations or mediation of domestic relations; Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "withdrawal of a petition for adjudication of domestic relations or conciliation of domestic relations;" — https://www.japaneselawtranslation.go.jp/en/laws/view/4512/tb **二** 第二百六十八条第一項若しくは第二百七十七条第一項第一号の合意、第二百七十条第一項に規定する調停条項案の受諾又は第二百八十六条第八項の共同の申出 art-17/par-3/item-2 · https://japanlaw.org/en/domestic-relations-case-procedure-act/art-17/par-3/item-2 · https://japanlaw.org/l/423AC0000000052/art-17/par-3/item-2 making of an agreement under Article 268, paragraph (1) or Article 277, paragraph (1), item (i), acceptance of the proposed terms of mediation prescribed in Article 270, paragraph (1), or filing of a joint notification under Article 286, paragraph (8); and Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "making of an agreement under Article 268, paragraph (1) or Article 277, paragraph (1), item (i), acceptance of the proposed terms of conciliation prescribed in Article 270, paragraph (1), or filing of a joint notification under Article 286, paragraph (8); and" — https://www.japaneselawtranslation.go.jp/en/laws/view/4512/tb **三** 審判に対する即時抗告、第九十四条第一項（第二百八十八条において準用する場合を含む。）の抗告若しくは第九十七条第二項（第二百八十八条において準用する場合を含む。）の申立ての取下げ又は第二百七十九条第一項若しくは第二百八十六条第一項の異議の取下げ art-17/par-3/item-3 · https://japanlaw.org/en/domestic-relations-case-procedure-act/art-17/par-3/item-3 · https://japanlaw.org/l/423AC0000000052/art-17/par-3/item-3 withdrawal of an immediate appeal against a ruling, an appeal against a ruling under Article 94, paragraph (1) (including the cases where applied mutatis mutandis pursuant to Article 288) or a petition under Article 97, paragraph (2) (including the cases where applied mutatis mutandis pursuant to Article 288), or withdrawal of an objection under Article 279, paragraph (1) or Article 286, paragraph (1). Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-17/par-1: この項 → 家事事件手続法 第十七条第一項 (Article 17, paragraph (1)), art-17/par-1 — https://japanlaw.org/en/domestic-relations-case-procedure-act/art-17/par-1 · https://japanlaw.org/l/423AC0000000052/art-17/par-1 - art-17/par-1: 民事訴訟法第二十八条 → 民事訴訟法 第二十八条 (Article 28), art-28 — https://japanlaw.org/en/code-of-civil-procedure/art-28 · https://japanlaw.org/l/408AC0000000109/art-28 - art-17/par-1: 第二十九条 → 民事訴訟法 第二十九条 (Article 29), art-29 — https://japanlaw.org/en/code-of-civil-procedure/art-29 · https://japanlaw.org/l/408AC0000000109/art-29 - art-17/par-1: 第三十一条 → 民事訴訟法 第三十一条 (Article 31), art-31 — https://japanlaw.org/en/code-of-civil-procedure/art-31 · https://japanlaw.org/l/408AC0000000109/art-31 - art-17/par-1: 第三十三条 → 民事訴訟法 第三十三条 (Article 33), art-33 — https://japanlaw.org/en/code-of-civil-procedure/art-33 · https://japanlaw.org/l/408AC0000000109/art-33 - art-17/par-1: 第三十四条第一項 → 民事訴訟法 第三十四条第一項 (Article 34, paragraph (1)), art-34/par-1 — https://japanlaw.org/en/code-of-civil-procedure/art-34/par-1 · https://japanlaw.org/l/408AC0000000109/art-34/par-1 - art-17/par-1: 第二項 → 民事訴訟法 第三十四条第二項 (Article 34, paragraph (2)), art-34/par-2 — https://japanlaw.org/en/code-of-civil-procedure/art-34/par-2 · https://japanlaw.org/l/408AC0000000109/art-34/par-2 - art-17/par-2: 次項 → 家事事件手続法 第十七条第三項 (Article 17, paragraph (3)), art-17/par-3 — https://japanlaw.org/en/domestic-relations-case-procedure-act/art-17/par-3 · https://japanlaw.org/l/423AC0000000052/art-17/par-3 - art-17/par-3: 第二号 → 家事事件手続法 第十七条第三項第二号 (Article 17, paragraph (3), item (ii)), art-17/par-3/item-2 — https://japanlaw.org/en/domestic-relations-case-procedure-act/art-17/par-3/item-2 · https://japanlaw.org/l/423AC0000000052/art-17/par-3/item-2 - art-17/par-3/item-2: 第二百六十八条第一項 → 家事事件手続法 第二百六十八条第一項 (Article 268, paragraph (1)), art-268/par-1 — https://japanlaw.org/en/domestic-relations-case-procedure-act/art-268/par-1 · https://japanlaw.org/l/423AC0000000052/art-268/par-1 - art-17/par-3/item-2: 第二百七十七条第一項第一号 → 家事事件手続法 第二百七十七条第一項第一号 (Article 277, paragraph (1), item (i)), art-277/par-1/item-1 — https://japanlaw.org/en/domestic-relations-case-procedure-act/art-277/par-1/item-1 · https://japanlaw.org/l/423AC0000000052/art-277/par-1/item-1 - art-17/par-3/item-2: 第二百七十条第一項 → 家事事件手続法 第二百七十条第一項 (Article 270, paragraph (1)), art-270/par-1 — https://japanlaw.org/en/domestic-relations-case-procedure-act/art-270/par-1 · https://japanlaw.org/l/423AC0000000052/art-270/par-1 - art-17/par-3/item-2: 第二百八十六条第八項 → 家事事件手続法 第二百八十六条第八項 (Article 286, paragraph (8)), art-286/par-8 — https://japanlaw.org/en/domestic-relations-case-procedure-act/art-286/par-8 · https://japanlaw.org/l/423AC0000000052/art-286/par-8 - art-17/par-3/item-3: 第九十四条第一項 → 家事事件手続法 第九十四条第一項 (Article 94, paragraph (1)), art-94/par-1 — https://japanlaw.org/en/domestic-relations-case-procedure-act/art-94/par-1 · https://japanlaw.org/l/423AC0000000052/art-94/par-1 - art-17/par-3/item-3: 第二百八十八条 → 家事事件手続法 第二百八十八条 (Article 288), art-288 — https://japanlaw.org/en/domestic-relations-case-procedure-act/art-288 · https://japanlaw.org/l/423AC0000000052/art-288 - art-17/par-3/item-3: 第九十七条第二項 → 家事事件手続法 第九十七条第二項 (Article 97, paragraph (2)), art-97/par-2 — https://japanlaw.org/en/domestic-relations-case-procedure-act/art-97/par-2 · https://japanlaw.org/l/423AC0000000052/art-97/par-2 - art-17/par-3/item-3: 第二百七十九条第一項 → 家事事件手続法 第二百七十九条第一項 (Article 279, paragraph (1)), art-279/par-1 — https://japanlaw.org/en/domestic-relations-case-procedure-act/art-279/par-1 · https://japanlaw.org/l/423AC0000000052/art-279/par-1 - art-17/par-3/item-3: 第二百八十六条第一項 → 家事事件手続法 第二百八十六条第一項 (Article 286, paragraph (1)), art-286/par-1 — https://japanlaw.org/en/domestic-relations-case-procedure-act/art-286/par-1 · https://japanlaw.org/l/423AC0000000052/art-286/par-1 ## Cited by 5 provisions cite this one. No official source publishes this direction. - 家事事件手続法 第十七条第一項（当事者能力及び手続行為能力の原則等） — https://japanlaw.org/en/domestic-relations-case-procedure-act/art-17/par-1 · https://japanlaw.org/l/423AC0000000052/art-17/par-1 - 家事事件手続法 第十七条第二項（当事者能力及び手続行為能力の原則等） — https://japanlaw.org/en/domestic-relations-case-procedure-act/art-17/par-2 · https://japanlaw.org/l/423AC0000000052/art-17/par-2 - 家事事件手続法 第十七条第三項（当事者能力及び手続行為能力の原則等） — https://japanlaw.org/en/domestic-relations-case-procedure-act/art-17/par-3 · https://japanlaw.org/l/423AC0000000052/art-17/par-3 - 家事事件手続法 第百十八条第一項（手続行為能力） — https://japanlaw.org/en/domestic-relations-case-procedure-act/art-118/par-1 · https://japanlaw.org/l/423AC0000000052/art-118/par-1 - 家事事件手続法 第二百五十二条第一項（手続行為能力） — https://japanlaw.org/en/domestic-relations-case-procedure-act/art-252/par-1 · https://japanlaw.org/l/423AC0000000052/art-252/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 17, 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 (家事事件手続法), Article 17, paragraph (2) — 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 (家事事件手続法), Article 17, paragraph (3) — 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 (家事事件手続法), Article 17, paragraph (3), item (i) — 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 (家事事件手続法), Article 17, paragraph (3), item (ii) — 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