# 民法 / Civil Code — 第一条 (Supplementary Provisions, Article 1)

- Law: 民法 (Civil Code), 明治二十九年法律第八十九号
- English title "Civil Code": 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/civil-code/suppl-4301-72/art-1
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/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/civil-code/suppl-4301-72/art-1 · https://japanlaw.org/l/129AC0000000089/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/civil-code/suppl-4301-72/art-1/par-1 · https://japanlaw.org/l/129AC0000000089/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/civil-code/suppl-4301-72/art-1/par-1/item-1 · https://japanlaw.org/l/129AC0000000089/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**  第一条中民法第九百六十八条、第九百七十条第二項及び第九百八十二条の改正規定並びに附則第六条の規定　公布の日から起算して六月を経過した日
  <sup>suppl-4301-72/art-1/par-1/item-2 · https://japanlaw.org/en/civil-code/suppl-4301-72/art-1/par-1/item-2 · https://japanlaw.org/l/129AC0000000089/suppl-4301-72/art-1/par-1/item-2</sup>
  the provisions amending Article 968, Article 970, paragraph (2), and Article 982 of the Civil Code in Article 1, and the provisions of Article 6 of the Supplementary Provisions: the day on which six months have elapsed from the date of promulgation;
  <sup>machine translation, not official</sup>

  **三**  第一条中民法第九百九十八条、第千条及び第千二十五条ただし書の改正規定並びに附則第七条及び第九条の規定　民法の一部を改正する法律（平成二十九年法律第四十四号）の施行の日
  <sup>suppl-4301-72/art-1/par-1/item-3 · https://japanlaw.org/en/civil-code/suppl-4301-72/art-1/par-1/item-3 · https://japanlaw.org/l/129AC0000000089/suppl-4301-72/art-1/par-1/item-3</sup>
  the provisions amending Article 998, Article 1000, and the proviso to Article 1025 of the Civil Code in Article 1, and the provisions of Articles 7 and 9 of the Supplementary Provisions: the date of enforcement of the Act for Partially Amending the Civil Code (Act No. 44 of 2017);
  <sup>machine translation, not official</sup>

  **四**  第二条並びに附則第十条、第十三条、第十四条、第十七条、第十八条及び第二十三条から第二十六条までの規定　公布の日から起算して二年を超えない範囲内において政令で定める日
  <sup>suppl-4301-72/art-1/par-1/item-4 · https://japanlaw.org/en/civil-code/suppl-4301-72/art-1/par-1/item-4 · https://japanlaw.org/l/129AC0000000089/suppl-4301-72/art-1/par-1/item-4</sup>
  the provisions of Article 2 and Articles 10, 13, 14, 17, 18 and 23 through 26 of the Supplementary Provisions: the date specified by Cabinet Order within a period not exceeding two years from the date of promulgation.
  <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 → 民法 附則第三十一条 (Supplementary Provisions, Article 31), suppl-4301-72/art-31 — https://japanlaw.org/en/civil-code/suppl-4301-72/art-31 · https://japanlaw.org/l/129AC0000000089/suppl-4301-72/art-31
- suppl-4301-72/art-1/par-1/item-2: 附則第六条 → 民法 附則第六条 (Supplementary Provisions, Article 6), suppl-4301-72/art-6 — https://japanlaw.org/en/civil-code/suppl-4301-72/art-6 · https://japanlaw.org/l/129AC0000000089/suppl-4301-72/art-6
- suppl-4301-72/art-1/par-1/item-3: 附則第七条 → 民法 附則第七条 (Supplementary Provisions, Article 7), suppl-4301-72/art-7 — https://japanlaw.org/en/civil-code/suppl-4301-72/art-7 · https://japanlaw.org/l/129AC0000000089/suppl-4301-72/art-7
- suppl-4301-72/art-1/par-1/item-3: 第九条 → 民法 附則第九条 (Supplementary Provisions, Article 9), suppl-4301-72/art-9 — https://japanlaw.org/en/civil-code/suppl-4301-72/art-9 · https://japanlaw.org/l/129AC0000000089/suppl-4301-72/art-9
- suppl-4301-72/art-1/par-1/item-4: 附則第十条 → 民法 附則第十条 (Supplementary Provisions, Article 10), suppl-4301-72/art-10 — https://japanlaw.org/en/civil-code/suppl-4301-72/art-10 · https://japanlaw.org/l/129AC0000000089/suppl-4301-72/art-10

## Cited by

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

- 民法 附則第五条第二項（遺産の分割前における預貯金債権の行使に関する経過措置） — https://japanlaw.org/en/civil-code/suppl-4301-72/art-5/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-4301-72/art-5/par-2
- 民法 附則第六条第一項（自筆証書遺言の方式に関する経過措置） — https://japanlaw.org/en/civil-code/suppl-4301-72/art-6/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-4301-72/art-6/par-1
- 民法 附則第七条第一項（遺贈義務者の引渡義務等に関する経過措置） — https://japanlaw.org/en/civil-code/suppl-4301-72/art-7/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-4301-72/art-7/par-1
- 民法 附則第十条第一項（配偶者の居住の権利に関する経過措置） — https://japanlaw.org/en/civil-code/suppl-4301-72/art-10/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-4301-72/art-10/par-1

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 民法 — the text in force from 2026-06-24 (https://laws.e-gov.go.jp/law/129AC0000000089/20260624_508AC0000000045), retrieved 2026-10-11
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Civil Code — Ministry of Justice translation (part 1 of 2) (https://www.japaneselawtranslation.go.jp/en/laws/view/4848/tb), retrieved 2026-10-11
- claude-sonnet-5-5 — Machine translation, batch civil-code-20261011T170941-024, translated 2026-10-12
- This site's parser, version 190 — 民法 — structure, counts, cross-references and defined terms, computed 2026-10-11
