# 民法 / Civil Code — 第二十六条 (Supplementary Provisions, Article 26)

- 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: 第二十六条 (Supplementary Provisions, Article 26)（相殺に関する経過措置） — address `suppl-4291-44/art-26`
- 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-26
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-26
- 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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### 第二十六条（相殺に関する経過措置） — Transitional Measures Concerning Set-Off
<sup>caption: machine translation, not official</sup>
<sup>suppl-4291-44/art-26 · https://japanlaw.org/en/civil-code/suppl-4291-44/art-26 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-26</sup>

**第一項**  施行日前にされた旧法第五百五条第二項に規定する意思表示については、なお従前の例による。
<sup>suppl-4291-44/art-26/par-1 · https://japanlaw.org/en/civil-code/suppl-4291-44/art-26/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-26/par-1</sup>
With regard to a manifestation of intention prescribed in Article 505, paragraph (2) of the Former Act that was made before the Effective Date, the provisions then in force continue to govern.
<sup>machine translation, not official</sup>

**第二項**  施行日前に債権が生じた場合におけるその債権を受働債権とする相殺については、新法第五百九条の規定にかかわらず、なお従前の例による。
<sup>suppl-4291-44/art-26/par-2 · https://japanlaw.org/en/civil-code/suppl-4291-44/art-26/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-26/par-2</sup>
With regard to a set-off in which a claim that arose before the Effective Date is the passive set-off claim, notwithstanding the provisions of Article 509 of the New Act, the provisions then in force continue to govern.
<sup>machine translation, not official</sup>

**第三項**  施行日前の原因に基づいて債権が生じた場合におけるその債権を自働債権とする相殺（差押えを受けた債権を受働債権とするものに限る。）については、新法第五百十一条の規定にかかわらず、なお従前の例による。
<sup>suppl-4291-44/art-26/par-3 · https://japanlaw.org/en/civil-code/suppl-4291-44/art-26/par-3 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-26/par-3</sup>
With regard to a set-off in which a claim that arose on the basis of a cause existing before the Effective Date is the claim used to assert set-off (limited to one in which a claim that has been attached is the passive set-off claim), notwithstanding the provisions of Article 511 of the New Act, the provisions then in force continue to govern.
<sup>machine translation, not official</sup>

**第四項**  施行日前に相殺の意思表示がされた場合におけるその相殺の充当については、新法第五百十二条及び第五百十二条の二の規定にかかわらず、なお従前の例による。
<sup>suppl-4291-44/art-26/par-4 · https://japanlaw.org/en/civil-code/suppl-4291-44/art-26/par-4 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-26/par-4</sup>
With regard to the appropriation of a set-off in the case where the manifestation of intention to effect the set-off was made before the Effective Date, notwithstanding the provisions of Articles 512 and 512-2 of the New Act, the provisions then in force continue to govern.
<sup>machine translation, not official</sup>

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## Cites
- suppl-4291-44/art-26/par-2: 新法第五百九条 → 民法 第五百九条 (Article 509), art-509 — https://japanlaw.org/en/civil-code/art-509 · https://japanlaw.org/l/129AC0000000089/art-509
- suppl-4291-44/art-26/par-3: 新法第五百十一条 → 民法 第五百十一条 (Article 511), art-511 — https://japanlaw.org/en/civil-code/art-511 · https://japanlaw.org/l/129AC0000000089/art-511
- suppl-4291-44/art-26/par-4: 新法第五百十二条 → 民法 第五百十二条 (Article 512), art-512 — https://japanlaw.org/en/civil-code/art-512 · https://japanlaw.org/l/129AC0000000089/art-512
- suppl-4291-44/art-26/par-4: 第五百十二条の二 → 民法 第五百十二条の二 (Article 512-2), art-512-2 — https://japanlaw.org/en/civil-code/art-512-2 · https://japanlaw.org/l/129AC0000000089/art-512-2

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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-20261011T170941-022, translated 2026-10-12
- This site's parser, version 190 — 民法 — structure, counts, cross-references and defined terms, computed 2026-10-11
