# 家事事件手続法 / Domestic Relations Case Procedure Act — 第一条 (Supplementary Provisions, Article 1)

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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: 第一条 (Supplementary Provisions, Article 1)（施行期日） — address `suppl-4301-72/art-1`
- Text in force since: 2026-06-24
- URL (the page that opens at this provision): https://japanlaw.org/en/domestic-relations-case-procedure-act/suppl-4301-72/art-1
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/423AC0000000052/suppl-4301-72/art-1
- 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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### 第一条（施行期日） — Effective Date
<sup>caption: machine translation, not official</sup>
<sup>suppl-4301-72/art-1 · https://japanlaw.org/en/domestic-relations-case-procedure-act/suppl-4301-72/art-1 · https://japanlaw.org/l/423AC0000000052/suppl-4301-72/art-1</sup>

**第一項**  この法律は、公布の日から起算して一年を超えない範囲内において政令で定める日から施行する。ただし、次の各号に掲げる規定は、当該各号に定める日から施行する。
<sup>suppl-4301-72/art-1/par-1 · https://japanlaw.org/en/domestic-relations-case-procedure-act/suppl-4301-72/art-1/par-1 · https://japanlaw.org/l/423AC0000000052/suppl-4301-72/art-1/par-1</sup>
This Act comes into effect as of the day specified by Cabinet Order within a period not exceeding one year from the date of promulgation; provided, however, that the provisions set forth in the following items come into effect as of the days specified in those items.
<sup>machine translation, not official</sup>

  **一**  附則第三十条及び第三十一条の規定　公布の日
  <sup>suppl-4301-72/art-1/par-1/item-1 · https://japanlaw.org/en/domestic-relations-case-procedure-act/suppl-4301-72/art-1/par-1/item-1 · https://japanlaw.org/l/423AC0000000052/suppl-4301-72/art-1/par-1/item-1</sup>
  the provisions of Articles 30 and 31 of the Supplementary Provisions: the date of promulgation;
  <sup>machine translation, not official</sup>

  **二から四まで**  略
  <sup>suppl-4301-72/art-1/par-1/item-2-to-4 · https://japanlaw.org/en/domestic-relations-case-procedure-act/suppl-4301-72/art-1/par-1/item-2-to-4 · https://japanlaw.org/l/423AC0000000052/suppl-4301-72/art-1/par-1/item-2-to-4</sup>
  Omitted
  <sup>machine translation, not official</sup>

  **五**  第三条中家事事件手続法第三条の十一及び第三条の十四の改正規定並びに附則第十一条第一項の規定　人事訴訟法等の一部を改正する法律（平成三十年法律第二十号）の施行の日又はこの法律の施行の日のいずれか遅い日
  <sup>suppl-4301-72/art-1/par-1/item-5 · https://japanlaw.org/en/domestic-relations-case-procedure-act/suppl-4301-72/art-1/par-1/item-5 · https://japanlaw.org/l/423AC0000000052/suppl-4301-72/art-1/par-1/item-5</sup>
  the provisions amending Article 3-11 and Article 3-14 of the Domestic Relations Case Procedure Act in Article 3, and the provisions of Article 11, paragraph (1) of the Supplementary Provisions: the later of the date of enforcement of the Act Partially Amending the Personal Status Litigation Act, etc. (Act No. 20 of 2018) and the date of enforcement of this Act.
  <sup>machine translation, not official</sup>

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## Cites
- suppl-4301-72/art-1/par-1/item-1: 第三十一条 → 家事事件手続法 附則第三十一条 (Supplementary Provisions, Article 31), suppl-4301-72/art-31 — https://japanlaw.org/en/domestic-relations-case-procedure-act/suppl-4301-72/art-31 · https://japanlaw.org/l/423AC0000000052/suppl-4301-72/art-31
- suppl-4301-72/art-1/par-1/item-5: 附則第十一条第一項 → 家事事件手続法 附則第十一条第一項 (Supplementary Provisions, Article 11, paragraph (1)), suppl-4301-72/art-11/par-1 — https://japanlaw.org/en/domestic-relations-case-procedure-act/suppl-4301-72/art-11/par-1 · https://japanlaw.org/l/423AC0000000052/suppl-4301-72/art-11/par-1

## Cited by

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

- 家事事件手続法 附則第十一条第一項（家事事件手続法の一部改正に伴う経過措置） — https://japanlaw.org/en/domestic-relations-case-procedure-act/suppl-4301-72/art-11/par-1 · https://japanlaw.org/l/423AC0000000052/suppl-4301-72/art-11/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
- claude-sonnet-5-5 — Machine translation, batch domestic-relations-case-procedure-act-20261105T164326-007, 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