# 民法 / Civil Code — 第三百九十八条の七 (Article 398-7) - 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: 第三百九十八条の七 (Article 398-7)（根抵当権の被担保債権の譲渡等） — address `art-398-7` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/ja/civil-code/art-398-7 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/art-398-7 - 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. --- ### 第三百九十八条の七（根抵当権の被担保債権の譲渡等） — (Assignments of Secured Claims Under Revolving Mortgages) caption: Ministry of Justice translation — Japanese Law Translation Database System art-398-7 · https://japanlaw.org/ja/civil-code/art-398-7 · https://japanlaw.org/l/129AC0000000089/art-398-7 **第一項** 元本の確定前に根抵当権者から債権を取得した者は、その債権について根抵当権を行使することができない。元本の確定前に債務者のために又は債務者に代わって弁済をした者も、同様とする。 art-398-7/par-1 · https://japanlaw.org/ja/civil-code/art-398-7/par-1 · https://japanlaw.org/l/129AC0000000089/art-398-7/par-1 A person that acquires a claim from a revolving mortgagee before the principal is fixed may not exercise the revolving mortgage with respect to that claim. The same applies to a person that made payment for or on behalf of an obligor before the principal was fixed. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 元本の確定前に債務の引受けがあったときは、根抵当権者は、引受人の債務について、その根抵当権を行使することができない。 art-398-7/par-2 · https://japanlaw.org/ja/civil-code/art-398-7/par-2 · https://japanlaw.org/l/129AC0000000089/art-398-7/par-2 If an obligation is assumed before the principal is fixed, the revolving mortgagee may not exercise the revolving mortgage with respect to the obligation of the person that assumes the obligation. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 元本の確定前に免責的債務引受があった場合における債権者は、第四百七十二条の四第一項の規定にかかわらず、根抵当権を引受人が負担する債務に移すことができない。 art-398-7/par-3 · https://japanlaw.org/ja/civil-code/art-398-7/par-3 · https://japanlaw.org/l/129AC0000000089/art-398-7/par-3 If the discharging assumption of an obligation is effected before the principal is fixed, the obligee may not transfer the revolving mortgage to the obligation assumed by the new obligor, notwithstanding the provisions of Article 472-4, paragraph (1). Ministry of Justice translation — Japanese Law Translation Database System **第四項** 元本の確定前に債権者の交替による更改があった場合における更改前の債権者は、第五百十八条第一項の規定にかかわらず、根抵当権を更改後の債務に移すことができない。元本の確定前に債務者の交替による更改があった場合における債権者も、同様とする。 art-398-7/par-4 · https://japanlaw.org/ja/civil-code/art-398-7/par-4 · https://japanlaw.org/l/129AC0000000089/art-398-7/par-4 If any novation due to the substitution of the obligee is effected before the principal is fixed, the obligee before the novation may not transfer the revolving mortgage to the obligations after the novation, notwithstanding the provisions of Article 518, paragraph (1). The same applies to the obligee in the case of novation due to the substitution of the obligor before the principal is fixed. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-398-7/par-3: 第四百七十二条の四第一項 → 民法 第四百七十二条の四第一項 (Article 472-4, paragraph (1)), art-472-4/par-1 — https://japanlaw.org/ja/civil-code/art-472-4/par-1 · https://japanlaw.org/l/129AC0000000089/art-472-4/par-1 - art-398-7/par-4: 第五百十八条第一項 → 民法 第五百十八条第一項 (Article 518, paragraph (1)), art-518/par-1 — https://japanlaw.org/ja/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 附則第十三条第二項（根抵当権に関する経過措置） — https://japanlaw.org/ja/civil-code/suppl-4291-44/art-13/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-13/par-2 - 民法 附則第十三条第三項（根抵当権に関する経過措置） — https://japanlaw.org/ja/civil-code/suppl-4291-44/art-13/par-3 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-13/par-3 --- ## 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