# 民法 / Civil Code — 第五百六条 (Article 506) - 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: 第五百六条 (Article 506)（相殺の方法及び効力） — address `art-506` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/ja/civil-code/art-506 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/art-506 - 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. --- ### 第五百六条（相殺の方法及び効力） — (Method and Effect of Set-Offs) caption: Ministry of Justice translation — Japanese Law Translation Database System art-506 · https://japanlaw.org/ja/civil-code/art-506 · https://japanlaw.org/l/129AC0000000089/art-506 **第一項** 相殺は、当事者の一方から相手方に対する意思表示によってする。この場合において、その意思表示には、条件又は期限を付することができない。 art-506/par-1 · https://japanlaw.org/ja/civil-code/art-506/par-1 · https://japanlaw.org/l/129AC0000000089/art-506/par-1 Set-offs are effected through the manifestation of one party's intention to the other. In such a case, no condition or time limit may be added to the manifestation of intention. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 前項の意思表示は、双方の債務が互いに相殺に適するようになった時にさかのぼってその効力を生ずる。 art-506/par-2 · https://japanlaw.org/ja/civil-code/art-506/par-2 · https://japanlaw.org/l/129AC0000000089/art-506/par-2 A manifestation of intention referred to in the preceding paragraph is effective retroactive to the time when the obligations of both parties became eligible to be set-off. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-506/par-2: 前項 → 民法 第五百六条第一項 (Article 506, paragraph (1)), art-506/par-1 — https://japanlaw.org/ja/civil-code/art-506/par-1 · https://japanlaw.org/l/129AC0000000089/art-506/par-1 ## Cited by 1 provision cites this one. No official source publishes this direction. - 民法 第五百六条第二項（相殺の方法及び効力） — https://japanlaw.org/ja/civil-code/art-506/par-2 · https://japanlaw.org/l/129AC0000000089/art-506/par-2 --- ## 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 - This site's parser, version 190 — 民法 — structure, counts, cross-references and defined terms, computed 2026-10-11