# 家事事件手続法 / Domestic Relations Case Procedure Act — 第四条 (Supplementary Provisions, Article 4)

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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: 第四条 (Supplementary Provisions, Article 4)（訴訟に関する経過措置） — address `suppl-4231-52/art-4`
- Text in force since: 2026-06-24
- URL (the page that opens at this provision): https://japanlaw.org/ja/domestic-relations-case-procedure-act/suppl-4231-52/art-4
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/423AC0000000052/suppl-4231-52/art-4
- 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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### 第四条（訴訟に関する経過措置） — Transitional Measures Concerning Litigation
<sup>caption: machine translation, not official</sup>
<sup>suppl-4231-52/art-4 · https://japanlaw.org/ja/domestic-relations-case-procedure-act/suppl-4231-52/art-4 · https://japanlaw.org/l/423AC0000000052/suppl-4231-52/art-4</sup>

**第一項**  旧法の規定による家事調停の申立てがあった場合においては、その申立てを新法の規定による家事調停の申立てとみなして、第二百五十七条第一項、第二百七十二条第三項（第二百七十七条第四項において準用する場合を含む。）、第二百八十条第五項、第二百八十三条及び第二百八十六条第六項の規定を適用する。
<sup>suppl-4231-52/art-4/par-1 · https://japanlaw.org/ja/domestic-relations-case-procedure-act/suppl-4231-52/art-4/par-1 · https://japanlaw.org/l/423AC0000000052/suppl-4231-52/art-4/par-1</sup>
Where a petition for mediation of domestic relations has been filed under the provisions of the Former Act, the provisions of Article 257, paragraph (1), Article 272, paragraph (3) (including as applied mutatis mutandis pursuant to Article 277, paragraph (4)), Article 280, paragraph (5), Article 283 and Article 286, paragraph (6) apply by deeming that petition to be a petition for mediation of domestic relations under the provisions of the New Act.
<sup>machine translation, not official</sup>

**第二項**  第二十九条第四項、第二百五十七条第二項、第二百七十四条第一項、第二百七十五条第一項及び第二百七十六条第一項の規定は、新法の施行前に訴えの提起があった訴訟については、適用しない。
<sup>suppl-4231-52/art-4/par-2 · https://japanlaw.org/ja/domestic-relations-case-procedure-act/suppl-4231-52/art-4/par-2 · https://japanlaw.org/l/423AC0000000052/suppl-4231-52/art-4/par-2</sup>
The provisions of Article 29, paragraph (4), Article 257, paragraph (2), Article 274, paragraph (1), Article 275, paragraph (1) and Article 276, paragraph (1) do not apply to an action filed before the enforcement of the New Act.
<sup>machine translation, not official</sup>

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## Cites
- suppl-4231-52/art-4/par-1: 第二百五十七条第一項 → 家事事件手続法 第二百五十七条第一項 (Article 257, paragraph (1)), art-257/par-1 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-257/par-1 · https://japanlaw.org/l/423AC0000000052/art-257/par-1
- suppl-4231-52/art-4/par-1: 第二百七十二条第三項 → 家事事件手続法 第二百七十二条第三項 (Article 272, paragraph (3)), art-272/par-3 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-272/par-3 · https://japanlaw.org/l/423AC0000000052/art-272/par-3
- suppl-4231-52/art-4/par-1: 第二百七十七条第四項 → 家事事件手続法 第二百七十七条第四項 (Article 277, paragraph (4)), art-277/par-4 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-277/par-4 · https://japanlaw.org/l/423AC0000000052/art-277/par-4
- suppl-4231-52/art-4/par-1: 第二百八十条第五項 → 家事事件手続法 第二百八十条第五項 (Article 280, paragraph (5)), art-280/par-5 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-280/par-5 · https://japanlaw.org/l/423AC0000000052/art-280/par-5
- suppl-4231-52/art-4/par-1: 第二百八十三条 → 家事事件手続法 第二百八十三条 (Article 283), art-283 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-283 · https://japanlaw.org/l/423AC0000000052/art-283
- suppl-4231-52/art-4/par-1: 第二百八十六条第六項 → 家事事件手続法 第二百八十六条第六項 (Article 286, paragraph (6)), art-286/par-6 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-286/par-6 · https://japanlaw.org/l/423AC0000000052/art-286/par-6
- suppl-4231-52/art-4/par-2: 第二十九条第四項 → 家事事件手続法 第二十九条第四項 (Article 29, paragraph (4)), art-29/par-4 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-29/par-4 · https://japanlaw.org/l/423AC0000000052/art-29/par-4
- suppl-4231-52/art-4/par-2: 第二百五十七条第二項 → 家事事件手続法 第二百五十七条第二項 (Article 257, paragraph (2)), art-257/par-2 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-257/par-2 · https://japanlaw.org/l/423AC0000000052/art-257/par-2
- suppl-4231-52/art-4/par-2: 第二百七十四条第一項 → 家事事件手続法 第二百七十四条第一項 (Article 274, paragraph (1)), art-274/par-1 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-274/par-1 · https://japanlaw.org/l/423AC0000000052/art-274/par-1
- suppl-4231-52/art-4/par-2: 第二百七十五条第一項 → 家事事件手続法 第二百七十五条第一項 (Article 275, paragraph (1)), art-275/par-1 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-275/par-1 · https://japanlaw.org/l/423AC0000000052/art-275/par-1
- suppl-4231-52/art-4/par-2: 第二百七十六条第一項 → 家事事件手続法 第二百七十六条第一項 (Article 276, paragraph (1)), art-276/par-1 — https://japanlaw.org/ja/domestic-relations-case-procedure-act/art-276/par-1 · https://japanlaw.org/l/423AC0000000052/art-276/par-1

## Cited by

1 provision cites this one. No official source publishes this direction.

- 家事事件手続法 附則第三条第一項（履行の確保に関する規定に関する経過措置） — https://japanlaw.org/ja/domestic-relations-case-procedure-act/suppl-4231-52/art-3/par-1 · https://japanlaw.org/l/423AC0000000052/suppl-4231-52/art-3/par-1

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## Sources

- 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 — 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-20261105T164326-006, 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
