# 民法 / Civil Code — 附　則 (Supplementary Provisions)

- 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: 附　則 (Supplementary Provisions) — address `suppl-5011-2`
- Text in force since: 2026-06-24
- URL (the page that opens at this provision): https://japanlaw.org/en/civil-code/suppl-5011-2
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/suppl-5011-2
- 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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## 附　則 令和元年五月一七日法律第二号
<sup>suppl-5011-2 · https://japanlaw.org/en/civil-code/suppl-5011-2 · https://japanlaw.org/l/129AC0000000089/suppl-5011-2</sup>

### 第一条（施行期日） — Effective Date
<sup>caption: machine translation, not official</sup>
<sup>suppl-5011-2/art-1 · https://japanlaw.org/en/civil-code/suppl-5011-2/art-1 · https://japanlaw.org/l/129AC0000000089/suppl-5011-2/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-5011-2/art-1/par-1 · https://japanlaw.org/en/civil-code/suppl-5011-2/art-1/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-5011-2/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**  附則第二十条の規定　公布の日
  <sup>suppl-5011-2/art-1/par-1/item-1 · https://japanlaw.org/en/civil-code/suppl-5011-2/art-1/par-1/item-1 · https://japanlaw.org/l/129AC0000000089/suppl-5011-2/art-1/par-1/item-1</sup>
  the provisions of Article 20 of the Supplementary Provisions: the date of promulgation;
  <sup>machine translation, not official</sup>

  **二**  略
  <sup>suppl-5011-2/art-1/par-1/item-2 · https://japanlaw.org/en/civil-code/suppl-5011-2/art-1/par-1/item-2 · https://japanlaw.org/l/129AC0000000089/suppl-5011-2/art-1/par-1/item-2</sup>
  Omitted
  <sup>machine translation, not official</sup>

  **三**  附則第九条の規定　この法律の施行の日（以下「施行日」という。）又は前号に定める日のいずれか遅い日
  <sup>suppl-5011-2/art-1/par-1/item-3 · https://japanlaw.org/en/civil-code/suppl-5011-2/art-1/par-1/item-3 · https://japanlaw.org/l/129AC0000000089/suppl-5011-2/art-1/par-1/item-3</sup>
  the provisions of Article 9 of the Supplementary Provisions: the date on which this Act comes into effect (hereinafter referred to as the "Effective Date") or the date specified in the preceding item, whichever is later.
  <sup>machine translation, not official</sup>

### 第二十条（政令への委任） — Delegation to Cabinet Order
<sup>caption: machine translation, not official</sup>
<sup>suppl-5011-2/art-20 · https://japanlaw.org/en/civil-code/suppl-5011-2/art-20 · https://japanlaw.org/l/129AC0000000089/suppl-5011-2/art-20</sup>

**第一項**  この附則に規定するもののほか、この法律の施行に関し必要な経過措置は、政令で定める。
<sup>suppl-5011-2/art-20/par-1 · https://japanlaw.org/en/civil-code/suppl-5011-2/art-20/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-5011-2/art-20/par-1</sup>
Beyond what is provided for in these Supplementary Provisions, transitional measures necessary in connection with the enforcement of this Act are specified by Cabinet Order.
<sup>machine translation, not official</sup>

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## Cites
- suppl-5011-2/art-1/par-1/item-1: 附則第二十条 → 民法 附則第二十条 (Supplementary Provisions, Article 20), suppl-5011-2/art-20 — https://japanlaw.org/en/civil-code/suppl-5011-2/art-20 · https://japanlaw.org/l/129AC0000000089/suppl-5011-2/art-20
- suppl-5011-2/art-1/par-1/item-3: 前号 → 民法 附則第一条第一項第二号 (Supplementary Provisions, Article 1, paragraph (1), item (ii)), suppl-5011-2/art-1/par-1/item-2 — https://japanlaw.org/en/civil-code/suppl-5011-2/art-1/par-1/item-2 · https://japanlaw.org/l/129AC0000000089/suppl-5011-2/art-1/par-1/item-2

## Cited by

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

- 民法 附則第一条第一項第一号（施行期日） — https://japanlaw.org/en/civil-code/suppl-5011-2/art-1/par-1/item-1 · https://japanlaw.org/l/129AC0000000089/suppl-5011-2/art-1/par-1/item-1
- 民法 附則第一条第一項第三号（施行期日） — https://japanlaw.org/en/civil-code/suppl-5011-2/art-1/par-1/item-3 · https://japanlaw.org/l/129AC0000000089/suppl-5011-2/art-1/par-1/item-3

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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-20261011T170941-025, translated 2026-10-12
- This site's parser, version 190 — 民法 — structure, counts, cross-references and defined terms, computed 2026-10-11