# 民法 / Civil Code — 第三百九十八条の八 (Article 398-8) - 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: 第三百九十八条の八 (Article 398-8)（根抵当権者又は債務者の相続） — address `art-398-8` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/en/civil-code/art-398-8 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/art-398-8 - 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. --- ### 第三百九十八条の八（根抵当権者又は債務者の相続） — (Succession of Revolving Mortgagees or Obligors) caption: Ministry of Justice translation — Japanese Law Translation Database System art-398-8 · https://japanlaw.org/en/civil-code/art-398-8 · https://japanlaw.org/l/129AC0000000089/art-398-8 **第一項** 元本の確定前に根抵当権者について相続が開始したときは、根抵当権は、相続開始の時に存する債権のほか、相続人と根抵当権設定者との合意により定めた相続人が相続の開始後に取得する債権を担保する。 art-398-8/par-1 · https://japanlaw.org/en/civil-code/art-398-8/par-1 · https://japanlaw.org/l/129AC0000000089/art-398-8/par-1 If succession involving a revolving mortgagee commences before the principal is fixed, the revolving mortgage secures the claims that exist at the time of the commencement of succession and otherwise secures claims that were agreed upon by the heirs and the mortgagor of the revolving mortgage and that an heir acquires after the commencement of succession. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 元本の確定前にその債務者について相続が開始したときは、根抵当権は、相続開始の時に存する債務のほか、根抵当権者と根抵当権設定者との合意により定めた相続人が相続の開始後に負担する債務を担保する。 art-398-8/par-2 · https://japanlaw.org/en/civil-code/art-398-8/par-2 · https://japanlaw.org/l/129AC0000000089/art-398-8/par-2 If succession involving an obligor commences before the principal is fixed, the revolving mortgage secures the obligations that exist at the time of the commencement of succession and otherwise secures the claims that were agreed upon by the revolving mortgagee and the mortgagor of the revolving mortgage and that an heir assumes after the commencement of succession. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 第三百九十八条の四第二項の規定は、前二項の合意をする場合について準用する。 art-398-8/par-3 · https://japanlaw.org/en/civil-code/art-398-8/par-3 · https://japanlaw.org/l/129AC0000000089/art-398-8/par-3 The provisions of Article 398-4, paragraph (2) apply mutatis mutandis if an agreement referred to in the preceding two paragraphs is reached. Ministry of Justice translation — Japanese Law Translation Database System **第四項** 第一項及び第二項の合意について相続の開始後六箇月以内に登記をしないときは、担保すべき元本は、相続開始の時に確定したものとみなす。 art-398-8/par-4 · https://japanlaw.org/en/civil-code/art-398-8/par-4 · https://japanlaw.org/l/129AC0000000089/art-398-8/par-4 If the agreements referred to in paragraph (1) and paragraph (2) are not registered within six months of the commencement of succession, the principal secured is deemed to have been fixed at the time of the commencement of succession. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-398-8/par-3: 第三百九十八条の四第二項 → 民法 第三百九十八条の四第二項 (Article 398-4, paragraph (2)), art-398-4/par-2 — https://japanlaw.org/en/civil-code/art-398-4/par-2 · https://japanlaw.org/l/129AC0000000089/art-398-4/par-2 - art-398-8/par-3: 前二項 → 民法 第三百九十八条の八第一項 (Article 398-8, paragraph (1)), art-398-8/par-1 — https://japanlaw.org/en/civil-code/art-398-8/par-1 · https://japanlaw.org/l/129AC0000000089/art-398-8/par-1 - art-398-8/par-3: 前二項 → 民法 第三百九十八条の八第二項 (Article 398-8, paragraph (2)), art-398-8/par-2 — https://japanlaw.org/en/civil-code/art-398-8/par-2 · https://japanlaw.org/l/129AC0000000089/art-398-8/par-2 - art-398-8/par-4: 第一項 → 民法 第三百九十八条の八第一項 (Article 398-8, paragraph (1)), art-398-8/par-1 — https://japanlaw.org/en/civil-code/art-398-8/par-1 · https://japanlaw.org/l/129AC0000000089/art-398-8/par-1 - art-398-8/par-4: 第二項 → 民法 第三百九十八条の八第二項 (Article 398-8, paragraph (2)), art-398-8/par-2 — https://japanlaw.org/en/civil-code/art-398-8/par-2 · https://japanlaw.org/l/129AC0000000089/art-398-8/par-2 ## Cited by 3 provisions cite this one. No official source publishes this direction. - 不動産登記法 第九十二条第一項（根抵当権当事者の相続に関する合意の登記の制限） — https://japanlaw.org/en/real-property-registration-act/art-92/par-1 · https://japanlaw.org/l/416AC0000000123/art-92/par-1 - 民法 第三百九十八条の八第三項（根抵当権者又は債務者の相続） — https://japanlaw.org/en/civil-code/art-398-8/par-3 · https://japanlaw.org/l/129AC0000000089/art-398-8/par-3 - 民法 第三百九十八条の八第四項（根抵当権者又は債務者の相続） — https://japanlaw.org/en/civil-code/art-398-8/par-4 · https://japanlaw.org/l/129AC0000000089/art-398-8/par-4 --- ## 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