# 民法 / Civil Code — 第十条 (Supplementary Provisions, Article 10)

- 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: 第十条 (Supplementary Provisions, Article 10)（時効に関する経過措置） — address `suppl-4291-44/art-10`
- Text in force since: 2026-06-24
- URL (the page that opens at this provision): https://japanlaw.org/en/civil-code/suppl-4291-44/art-10
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-10
- 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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### 第十条（時効に関する経過措置） — Transitional Measures Concerning Prescription
<sup>caption: machine translation, not official</sup>
<sup>suppl-4291-44/art-10 · https://japanlaw.org/en/civil-code/suppl-4291-44/art-10 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-10</sup>

**第一項**  施行日前に債権が生じた場合（施行日以後に債権が生じた場合であって、その原因である法律行為が施行日前にされたときを含む。以下同じ。）におけるその債権の消滅時効の援用については、新法第百四十五条の規定にかかわらず、なお従前の例による。
<sup>suppl-4291-44/art-10/par-1 · https://japanlaw.org/en/civil-code/suppl-4291-44/art-10/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-10/par-1</sup>
With regard to the invocation of extinctive prescription of a claim in the case where the claim arose before the Effective Date (including the case where the claim arose on or after the Effective Date and the juridical act that is its cause was performed before the Effective Date; the same applies below), notwithstanding the provisions of Article 145 of the New Act, the provisions then in force continue to govern.
<sup>machine translation, not official</sup>

**第二項**  施行日前に旧法第百四十七条に規定する時効の中断の事由又は旧法第百五十八条から第百六十一条までに規定する時効の停止の事由が生じた場合におけるこれらの事由の効力については、なお従前の例による。
<sup>suppl-4291-44/art-10/par-2 · https://japanlaw.org/en/civil-code/suppl-4291-44/art-10/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-10/par-2</sup>
With regard to the effect of a circumstance for interruption of prescription prescribed in Article 147 of the Former Act or a circumstance for suspension of prescription prescribed in Articles 158 through 161 of the Former Act in the case where such a circumstance arose before the Effective Date, the provisions then in force continue to govern.
<sup>machine translation, not official</sup>

**第三項**  新法第百五十一条の規定は、施行日前に権利についての協議を行う旨の合意が書面でされた場合（その合意の内容を記録した電磁的記録（新法第百五十一条第四項に規定する電磁的記録をいう。附則第三十三条第二項において同じ。）によってされた場合を含む。）におけるその合意については、適用しない。
<sup>suppl-4291-44/art-10/par-3 · https://japanlaw.org/en/civil-code/suppl-4291-44/art-10/par-3 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-10/par-3</sup>
The provisions of Article 151 of the New Act do not apply to an agreement made in writing before the Effective Date to the effect that discussions concerning a right are to be held (including the case where the agreement was made by means of an electronic or magnetic record that records the content of the agreement (meaning an electronic or magnetic record prescribed in Article 151, paragraph (4) of the New Act; the same applies in Article 33, paragraph (2) of the Supplementary Provisions)).
<sup>machine translation, not official</sup>

**第四項**  施行日前に債権が生じた場合におけるその債権の消滅時効の期間については、なお従前の例による。
<sup>suppl-4291-44/art-10/par-4 · https://japanlaw.org/en/civil-code/suppl-4291-44/art-10/par-4 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-10/par-4</sup>
With regard to the period of extinctive prescription of a claim in the case where the claim arose before the Effective Date, the provisions then in force continue to govern.
<sup>machine translation, not official</sup>

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## Cites
- suppl-4291-44/art-10/par-1: 新法第百四十五条 → 民法 第百四十五条 (Article 145), art-145 — https://japanlaw.org/en/civil-code/art-145 · https://japanlaw.org/l/129AC0000000089/art-145
- suppl-4291-44/art-10/par-3: 新法第百五十一条 → 民法 第百五十一条 (Article 151), art-151 — https://japanlaw.org/en/civil-code/art-151 · https://japanlaw.org/l/129AC0000000089/art-151
- suppl-4291-44/art-10/par-3: 新法第百五十一条第四項 → 民法 第百五十一条第四項 (Article 151, paragraph (4)), art-151/par-4 — https://japanlaw.org/en/civil-code/art-151/par-4 · https://japanlaw.org/l/129AC0000000089/art-151/par-4
- suppl-4291-44/art-10/par-3: 附則第三十三条第二項 → 民法 附則第三十三条第二項 (Supplementary Provisions, Article 33, paragraph (2)), suppl-4291-44/art-33/par-2 — https://japanlaw.org/en/civil-code/suppl-4291-44/art-33/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-33/par-2

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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-20261011T170941-021, translated 2026-10-12
- This site's parser, version 190 — 民法 — structure, counts, cross-references and defined terms, computed 2026-10-11
