# 家事事件手続法 / Domestic Relations Case Procedure Act — 第二百五十二条 (Article 252)

This is the Markdown twin of https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-252. 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: 第二百五十二条 (Article 252)（手続行為能力） — address `art-252`
- 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-252
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/423AC0000000052/art-252
- 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.

---

### 第二百五十二条（手続行為能力） — (Capacity to Participate in Proceedings)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-252 · https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-252 · https://japanlaw.org/l/423AC0000000052/art-252</sup>

    **第一項**  次の各号に掲げる調停事件（第一号及び第二号にあっては、財産上の給付を求めるものを除く。）において、当該各号に定める者は、第十七条第一項において準用する民事訴訟法第三十一条の規定にかかわらず、法定代理人によらずに、自ら手続行為をすることができる。その者が被保佐人又は被補助人（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。）であって、保佐人若しくは保佐監督人又は補助人若しくは補助監督人の同意がない場合も、同様とする。
    <sup>art-252/par-1 · https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-252/par-1 · https://japanlaw.org/l/423AC0000000052/art-252/par-1</sup>
    In the mediation cases set forth in the following items (in items (i) and (ii), excluding cases which seek the provision of property benefits), the persons specified respectively in these items may participate in proceedings themselves, not through their legal representative, notwithstanding the provisions of Article 31 of the Code of Civil Procedure as applied mutatis mutandis pursuant to Article 17, paragraph (1). The same applies when the person is a person under curatorship or a person under assistance (limited to a person under assistance who is required to obtain consent from the assistant for performing procedural acts) and the person has not obtained consent from the curator or supervisor of the curator or the assistant or supervisor of the assistant:
    <sup>Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "In the conciliation cases set forth in the following items (in items (i) and (ii), excluding cases which seek the provisions of property benefits), the persons specified respectively in these items may participate in proceedings themselves, not through their legal representative, notwithstanding the provisions of Article 31 of the Code of Civil Procedure as applied mutatis mutandis pursuant to Article 17, paragraph (1). The same applies when the person is a person under curatorship or a person under assistance (limited to a person under assistance who is required to obtain consent from the assistant for performing procedural acts) and the person has not obtained consent from the curator or supervisor of the curator or the assistant or supervisor of the assistant:" — https://www.japaneselawtranslation.go.jp/en/laws/view/4512/tb</sup>

      **一**  夫婦間の協力扶助に関する処分の調停事件（別表第二の一の項の事項についての調停事件をいう。第二百五十八条第三項において同じ。）　夫及び妻
      <sup>art-252/par-1/item-1 · https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-252/par-1/item-1 · https://japanlaw.org/l/423AC0000000052/art-252/par-1/item-1</sup>
      a mediation case for a disposition regarding cooperation and mutual assistance between a husband and wife (meaning a mediation case regarding the matters set forth in Appended Table 2, row (1); the same applies in Article 258, paragraph (3)):a husband and wife;
      <sup>machine translation, not official</sup>

      **二**  子の監護に関する処分の調停事件（別表第二の三の項の事項についての調停事件をいう。第二百五十八条第三項において同じ。）　子
      <sup>art-252/par-1/item-2 · https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-252/par-1/item-2 · https://japanlaw.org/l/423AC0000000052/art-252/par-1/item-2</sup>
      a mediation case for a disposition regarding the custody of a child (meaning a mediation case regarding the matters set forth in Appended Table 2, row (3); the same applies in Article 258, paragraph (3)):a child;
      <sup>machine translation, not official</sup>

      **三**  養子の離縁後に親権者となるべき者の指定の調停事件（別表第二の七の項の事項についての調停事件をいう。）　養子、その父母及び養親
      <sup>art-252/par-1/item-3 · https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-252/par-1/item-3 · https://japanlaw.org/l/423AC0000000052/art-252/par-1/item-3</sup>
      a mediation case for the designation of a person who is to have parental authority over an adopted child after the dissolution of an adoptive relationship (meaning a mediation case regarding the matters set forth in Appended Table 2, row (7)):the adopted child and the child's parents and adoptive parents;
      <sup>Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "a conciliation case for the designation of a person who is to have parental authority over an adopted child after the dissolution of an adoptive relationship (meaning a conciliation case regarding the matters set forth in Appended Table 2, row (7)):the adopted child and the child's parents and adoptive parents;" — https://www.japaneselawtranslation.go.jp/en/laws/view/4512/tb</sup>

      **四**  親権者の指定又は変更の調停事件（別表第二の八の項の事項についての調停事件をいう。）　子及びその父母
      <sup>art-252/par-1/item-4 · https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-252/par-1/item-4 · https://japanlaw.org/l/423AC0000000052/art-252/par-1/item-4</sup>
      a mediation case for the designation or change of a person who has parental authority (meaning the mediation case regarding the matters set forth in Appended Table 2, row (8)):the child and the child's parents; and
      <sup>Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "a conciliation case for the designation or change of a person who has parental authority (meaning the conciliation case regarding the matters set forth in Appended Table 2, row (8)):the child and the child's parents; and" — https://www.japaneselawtranslation.go.jp/en/laws/view/4512/tb</sup>

      **五**  親権行使者の指定の調停事件（別表第二の八の二の項の事項についての調停事件をいう。）　子及びその父母
      <sup>art-252/par-1/item-5 · https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-252/par-1/item-5 · https://japanlaw.org/l/423AC0000000052/art-252/par-1/item-5</sup>
      a mediation case for the designation of a person exercising parental authority alone (meaning a mediation case regarding the matters set forth in Appended Table 2, row (8-2)):the child and the child's parents; and
      <sup>machine translation, not official</sup>

      **六**  人事訴訟法第二条に規定する人事に関する訴え（第二百七十七条第一項において単に「人事に関する訴え」という。）を提起することができる事項についての調停事件　同法第十三条第一項の規定が適用されることにより訴訟行為をすることができることとなる者
      <sup>art-252/par-1/item-6 · https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-252/par-1/item-6 · https://japanlaw.org/l/423AC0000000052/art-252/par-1/item-6</sup>
      a mediation case regarding a matter against which an action concerning personal status prescribed in Article 2 of the Personal Status Litigation Act (simply referred to as an "action concerning personal status" in Article 277, paragraph (1)) may be filed:a person who may participate in proceedings when the provisions of Article 13, paragraph (1) of the Act are applied.
      <sup>Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "a conciliation case regarding a matter against which an action concerning personal status prescribed in Article 2 of the Personal Status Litigation Act (simply referred to an "action concerning personal status" in Article 277, paragraph (1)) may be filed:a person who may participate in proceedings when the provisions of Article 13, paragraph (1) of the Act is applied." — https://www.japaneselawtranslation.go.jp/en/laws/view/4512/tb</sup>

    **第二項**  親権を行う者又は後見人は、第十八条の規定にかかわらず、前項第一号、第三号及び第四号に掲げる調停事件（同項第一号の調停事件にあっては、財産上の給付を求めるものを除く。）においては、当該各号に定める者に代理して第二百六十八条第一項の合意、第二百七十条第一項に規定する調停条項案の受諾及び第二百八十六条第八項の共同の申出をすることができない。離婚についての調停事件における夫及び妻の後見人並びに離縁についての調停事件における養親の後見人、養子（十五歳以上のものに限る。以下この項において同じ。）に対し親権を行う者及び養子の後見人についても、同様とする。
    <sup>art-252/par-2 · https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-252/par-2 · https://japanlaw.org/l/423AC0000000052/art-252/par-2</sup>
    Notwithstanding the provisions of Article 18, in the mediation cases set forth in items (i), (iii), and (iv) of the preceding paragraph (as for the mediation case set forth in item (i) of the paragraph, excluding a case to seek the provision of a property benefit), a person who exercises parental authority or a guardian may not make an agreement under Article 268, paragraph (1), accept the proposed terms of a mediation prescribed in Article 270, paragraph (1), or file a joint notification under Article 286, paragraph (8), on behalf of the persons specified respectively in these items. The same applies to a guardian of a husband and wife in a mediation case regarding a divorce, and to a guardian of an adoptive parent, a person who exercises parental authority over an adopted child (limited to a child of 15 years of age or older; hereinafter the same applies in this paragraph), and a guardian of an adopted child in a mediation case regarding the dissolution of an adoptive relationship.
    <sup>Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "Notwithstanding the provisions of Article 18, in the conciliation cases set forth in items (i), (iii), and (iv) of the preceding paragraph (as for the conciliation case set forth in item (i) of the paragraph, excluding a case to seek provisions of a property benefit), a person who exercises parental authority or a guardian may not make an agreement under Article 268, paragraph (1), accept the proposed terms of a conciliation prescribed in Article 270, paragraph (1), or file a joint notification under Article 286, paragraph (8), on behalf of the persons specified respectively in these items. The same applies to a guardian of a husband and wife in a conciliation case regarding a divorce, and to a guardian of an adoptive parent, a person who exercises parental authority over an adopted child (limited to a child of 15 years of age or older; hereinafter the same applies in this paragraph), and a guardian of an adopted child in a conciliation case regarding the dissolution of an adoptive relationship." — https://www.japaneselawtranslation.go.jp/en/laws/view/4512/tb</sup>

---

## Cites
- art-252/par-1: 第一号 → 家事事件手続法 第二百五十二条第一項第一号 (Article 252, paragraph (1), item (i)), art-252/par-1/item-1 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-252/par-1/item-1 · https://japanlaw.org/l/423AC0000000052/art-252/par-1/item-1
- art-252/par-1: 第二号 → 家事事件手続法 第二百五十二条第一項第二号 (Article 252, paragraph (1), item (ii)), art-252/par-1/item-2 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-252/par-1/item-2 · https://japanlaw.org/l/423AC0000000052/art-252/par-1/item-2
- art-252/par-1: 第十七条第一項 → 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/ja/domestic-relations-case-procedure-act/art-17/par-1 · https://japanlaw.org/l/423AC0000000052/art-17/par-1
- art-252/par-1: 民事訴訟法第三十一条 → 民事訴訟法 第三十一条 (Article 31), art-31 — https://japanlaw.org/ja/code-of-civil-procedure/art-31 · https://japanlaw.org/l/408AC0000000109/art-31
- art-252/par-1/item-1: 第二百五十八条第三項 → 家事事件手続法 第二百五十八条第三項 (Article 258, paragraph (3)), art-258/par-3 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-258/par-3 · https://japanlaw.org/l/423AC0000000052/art-258/par-3
- art-252/par-1/item-2: 第二百五十八条第三項 → 家事事件手続法 第二百五十八条第三項 (Article 258, paragraph (3)), art-258/par-3 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-258/par-3 · https://japanlaw.org/l/423AC0000000052/art-258/par-3
- art-252/par-1/item-6: 人事訴訟法第二条 → 人事訴訟法 第二条 (Article 2), art-2 — https://japanlaw.org/ja/personal-status-litigation-act/art-2 · https://japanlaw.org/l/415AC0000000109/art-2
- art-252/par-1/item-6: 第二百七十七条第一項 → 家事事件手続法 第二百七十七条第一項 (Article 277, paragraph (1)), art-277/par-1 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-277/par-1 · https://japanlaw.org/l/423AC0000000052/art-277/par-1
- art-252/par-1/item-6: 同法第十三条第一項 → 人事訴訟法 第十三条第一項 (Article 13, paragraph (1)), art-13/par-1 — https://japanlaw.org/ja/personal-status-litigation-act/art-13/par-1 · https://japanlaw.org/l/415AC0000000109/art-13/par-1
- art-252/par-2: 第十八条 → 家事事件手続法 第十八条 (Article 18), art-18 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-18 · https://japanlaw.org/l/423AC0000000052/art-18
- art-252/par-2: 前項第一号 → 家事事件手続法 第二百五十二条第一項第一号 (Article 252, paragraph (1), item (i)), art-252/par-1/item-1 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-252/par-1/item-1 · https://japanlaw.org/l/423AC0000000052/art-252/par-1/item-1
- art-252/par-2: 第三号 → 家事事件手続法 第二百五十二条第一項第三号 (Article 252, paragraph (1), item (iii)), art-252/par-1/item-3 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-252/par-1/item-3 · https://japanlaw.org/l/423AC0000000052/art-252/par-1/item-3
- art-252/par-2: 第四号 → 家事事件手続法 第二百五十二条第一項第四号 (Article 252, paragraph (1), item (iv)), art-252/par-1/item-4 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-252/par-1/item-4 · https://japanlaw.org/l/423AC0000000052/art-252/par-1/item-4
- art-252/par-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/ja/domestic-relations-case-procedure-act/art-268/par-1 · https://japanlaw.org/l/423AC0000000052/art-268/par-1
- art-252/par-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/ja/domestic-relations-case-procedure-act/art-270/par-1 · https://japanlaw.org/l/423AC0000000052/art-270/par-1
- art-252/par-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/ja/domestic-relations-case-procedure-act/art-286/par-8 · https://japanlaw.org/l/423AC0000000052/art-286/par-8
- art-252/par-2: この項 → 家事事件手続法 第二百五十二条第二項 (Article 252, paragraph (2)), art-252/par-2 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-252/par-2 · https://japanlaw.org/l/423AC0000000052/art-252/par-2

## Cited by

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

- 家事事件手続法 第十八条第一項（未成年者及び成年被後見人の法定代理人） — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-18/par-1 · https://japanlaw.org/l/423AC0000000052/art-18/par-1
- 家事事件手続法 第二十三条第一項（裁判長による手続代理人の選任等） — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-23/par-1 · https://japanlaw.org/l/423AC0000000052/art-23/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/ja/domestic-relations-case-procedure-act/art-252/par-1 · https://japanlaw.org/l/423AC0000000052/art-252/par-1
- 家事事件手続法 第二百五十二条第二項（手続行為能力） — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-252/par-2 · https://japanlaw.org/l/423AC0000000052/art-252/par-2

---

## 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 252, 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 252, paragraph (1), item (iii) — 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 252, paragraph (1), item (iv) — 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 252, paragraph (1), item (vi) — 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 252, 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 — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/4512/tb), retrieved 2026-11-05
- claude-sonnet-5-5 — Machine translation, batch domestic-relations-case-procedure-act-20261105T162515-005, translated 2026-11-06
- This site's parser, version 225 — 家事事件手続法 — structure, counts, cross-references and defined terms, computed 2026-11-05