# 民法 / Civil Code — 第五百十八条 (Article 518) - 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: 第五百十八条 (Article 518)（更改後の債務への担保の移転） — address `art-518` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/en/civil-code/art-518 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/art-518 - 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. --- ### 第五百十八条（更改後の債務への担保の移転） — (Transfer of Security to Obligation After Novation) caption: Ministry of Justice translation — Japanese Law Translation Database System art-518 · https://japanlaw.org/en/civil-code/art-518 · https://japanlaw.org/l/129AC0000000089/art-518 **第一項** 債権者（債権者の交替による更改にあっては、更改前の債権者）は、更改前の債務の目的の限度において、その債務の担保として設定された質権又は抵当権を更改後の債務に移すことができる。ただし、第三者がこれを設定した場合には、その承諾を得なければならない。 art-518/par-1 · https://japanlaw.org/en/civil-code/art-518/par-1 · https://japanlaw.org/l/129AC0000000089/art-518/par-1 To the extent of the amount of the obligation before the novation, the obligee (in the case of a novation by substitution of obligee, the obligee before the novation) may transfer the pledge or mortgage created as the security of that obligation to the obligation in effect after the novation; provided, however, that if any third party created that security, the consent of the third party must be obtained. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 前項の質権又は抵当権の移転は、あらかじめ又は同時に更改の相手方（債権者の交替による更改にあっては、債務者）に対してする意思表示によってしなければならない。 art-518/par-2 · https://japanlaw.org/en/civil-code/art-518/par-2 · https://japanlaw.org/l/129AC0000000089/art-518/par-2 The transfer of the pledge or mortgage referred to in the preceding paragraph must be effected by manifesting the intention to the other party to the novation (in the case of a novation by substitution of obligee, the obligor) in advance or upon the transfer. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-518/par-2: 前項 → 民法 第五百十八条第一項 (Article 518, paragraph (1)), art-518/par-1 — https://japanlaw.org/en/civil-code/art-518/par-1 · https://japanlaw.org/l/129AC0000000089/art-518/par-1 ## Cited by 2 provisions cite this one. No official source publishes this direction. - 民法 第三百九十八条の七第四項（根抵当権の被担保債権の譲渡等） — https://japanlaw.org/en/civil-code/art-398-7/par-4 · https://japanlaw.org/l/129AC0000000089/art-398-7/par-4 - 民法 第五百十八条第二項（更改後の債務への担保の移転） — https://japanlaw.org/en/civil-code/art-518/par-2 · https://japanlaw.org/l/129AC0000000089/art-518/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