# Article 17, paragraph (1), its wordings — Domestic Relations Case Procedure Act

This is the Markdown twin of https://japanlaw.org/en/domestic-relations-case-procedure-act/history/art-17/par-1. 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.

How the wording of Article 17, paragraph (1) (第十七条第一項) changed with each amendment, and how it will change.

- Law: Domestic Relations Case Procedure Act (家事事件手続法) — https://japanlaw.org/en/domestic-relations-case-procedure-act
- Provision: Article 17, paragraph (1) (第十七条第一項) — https://japanlaw.org/en/domestic-relations-case-procedure-act/art-17/par-1 (as Markdown: https://japanlaw.org/md/en/domestic-relations-case-procedure-act/art-17/par-1)
- The law's amendments: https://japanlaw.org/en/domestic-relations-case-procedure-act/amendments
- 2 wordings, oldest first.

## 1. Before Act No. 45 of 2026

- State: In force

Japanese:

> 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。

English (Written for this site with AI, correcting the Ministry of Justice's English):

> 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.

## 2. By 23 December 2028 — Act No. 45 of 2026

- State: Not yet in force
- Takes effect: By 23 December 2028
- The amendment: Reworded (Act No. 45 of 2026) — https://japanlaw.org/en/domestic-relations-case-procedure-act/amendments/20281223_508AC0000000045

Japanese:

> 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「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。

English (Machine translation, not official):

> 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"), 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.

---

## Sources

- The dates and the amending laws: e-Gov (Digital Agency) (https://laws.e-gov.go.jp/law/423AC0000000052)
- English name of the law: Japanese Law Translation, Ministry of Justice (https://www.japaneselawtranslation.go.jp/en/laws/view/4512/tb)
- English titles of the amending laws: Written for this site with AI
- The Japanese text before: e-Gov (Digital Agency) (https://laws.e-gov.go.jp/law/423AC0000000052/20280613_505AC0000000053)
- The Japanese text after: e-Gov (Digital Agency) (https://laws.e-gov.go.jp/law/423AC0000000052/20281223_508AC0000000045)
