# 民法 / Civil Code — 第四百七十一条 (Article 471) - 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: 第四百七十一条 (Article 471)（併存的債務引受における引受人の抗弁等） — address `art-471` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/en/civil-code/art-471 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/art-471 - 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. --- ### 第四百七十一条（併存的債務引受における引受人の抗弁等） — (Defense by Additional Obligor in Cumulative Assumption of an Obligation) caption: Ministry of Justice translation — Japanese Law Translation Database System art-471 · https://japanlaw.org/en/civil-code/art-471 · https://japanlaw.org/l/129AC0000000089/art-471 **第一項** 引受人は、併存的債務引受により負担した自己の債務について、その効力が生じた時に債務者が主張することができた抗弁をもって債権者に対抗することができる。 art-471/par-1 · https://japanlaw.org/en/civil-code/art-471/par-1 · https://japanlaw.org/l/129AC0000000089/art-471/par-1 An additional obligor may duly assert against the obligee any defense that could have been asserted by the initial obligor at the time when the cumulative assumption of an obligation became effective, with regard to the obligation that the additional obligor has assumed through the cumulative assumption of an obligation. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 債務者が債権者に対して取消権又は解除権を有するときは、引受人は、これらの権利の行使によって債務者がその債務を免れるべき限度において、債権者に対して債務の履行を拒むことができる。 art-471/par-2 · https://japanlaw.org/en/civil-code/art-471/par-2 · https://japanlaw.org/l/129AC0000000089/art-471/par-2 If the initial obligor has a right to revoke or right to cancel against the obligee, the additional obligor may refuse to perform the obligation to the obligee to the extent that the initial obligor should have been released from the obligation by exercising either of these rights. Ministry of Justice translation — Japanese Law Translation Database System ## Cited by 1 provision cites this one. No official source publishes this direction. - 民法 附則第二十三条第一項（債務の引受けに関する経過措置） — https://japanlaw.org/en/civil-code/suppl-4291-44/art-23/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-23/par-1 --- ## 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