# 民法 / Civil Code — 第三百九十八条の六 (Article 398-6) - 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: 第三百九十八条の六 (Article 398-6)（根抵当権の元本確定期日の定め） — address `art-398-6` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/ja/civil-code/art-398-6 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/art-398-6 - 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. --- ### 第三百九十八条の六（根抵当権の元本確定期日の定め） — (Provisions of Principal Fixed Date of Revolving Mortgage) caption: Ministry of Justice translation — Japanese Law Translation Database System art-398-6 · https://japanlaw.org/ja/civil-code/art-398-6 · https://japanlaw.org/l/129AC0000000089/art-398-6 **第一項** 根抵当権の担保すべき元本については、その確定すべき期日を定め又は変更することができる。 art-398-6/par-1 · https://japanlaw.org/ja/civil-code/art-398-6/par-1 · https://japanlaw.org/l/129AC0000000089/art-398-6/par-1 With respect to the principal secured by a revolving mortgage, the date when the principal is to be fixed may be specified or changed. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 第三百九十八条の四第二項の規定は、前項の場合について準用する。 art-398-6/par-2 · https://japanlaw.org/ja/civil-code/art-398-6/par-2 · https://japanlaw.org/l/129AC0000000089/art-398-6/par-2 The provisions of Article 398-4, paragraph (2) apply mutatis mutandis to the cases referred to in the preceding paragraph. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 第一項の期日は、これを定め又は変更した日から五年以内でなければならない。 art-398-6/par-3 · https://japanlaw.org/ja/civil-code/art-398-6/par-3 · https://japanlaw.org/l/129AC0000000089/art-398-6/par-3 The date under paragraph (1) must be within five years of the day when the date was prescribed or changed. Ministry of Justice translation — Japanese Law Translation Database System **第四項** 第一項の期日の変更についてその変更前の期日より前に登記をしなかったときは、担保すべき元本は、その変更前の期日に確定する。 art-398-6/par-4 · https://japanlaw.org/ja/civil-code/art-398-6/par-4 · https://japanlaw.org/l/129AC0000000089/art-398-6/par-4 If registration with respect to a change in the date under paragraph (1) is not effected before the old date, the principal secured is fixed on that old date. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-398-6/par-2: 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/ja/civil-code/art-398-4/par-2 · https://japanlaw.org/l/129AC0000000089/art-398-4/par-2 - art-398-6/par-2: 前項 → 民法 第三百九十八条の六第一項 (Article 398-6, paragraph (1)), art-398-6/par-1 — https://japanlaw.org/ja/civil-code/art-398-6/par-1 · https://japanlaw.org/l/129AC0000000089/art-398-6/par-1 - art-398-6/par-3: 第一項 → 民法 第三百九十八条の六第一項 (Article 398-6, paragraph (1)), art-398-6/par-1 — https://japanlaw.org/ja/civil-code/art-398-6/par-1 · https://japanlaw.org/l/129AC0000000089/art-398-6/par-1 - art-398-6/par-4: 第一項 → 民法 第三百九十八条の六第一項 (Article 398-6, paragraph (1)), art-398-6/par-1 — https://japanlaw.org/ja/civil-code/art-398-6/par-1 · https://japanlaw.org/l/129AC0000000089/art-398-6/par-1 ## Cited by 4 provisions cite this one. No official source publishes this direction. - 民法 第三百九十八条の六第二項（根抵当権の元本確定期日の定め） — https://japanlaw.org/ja/civil-code/art-398-6/par-2 · https://japanlaw.org/l/129AC0000000089/art-398-6/par-2 - 民法 第三百九十八条の六第三項（根抵当権の元本確定期日の定め） — https://japanlaw.org/ja/civil-code/art-398-6/par-3 · https://japanlaw.org/l/129AC0000000089/art-398-6/par-3 - 民法 第三百九十八条の六第四項（根抵当権の元本確定期日の定め） — https://japanlaw.org/ja/civil-code/art-398-6/par-4 · https://japanlaw.org/l/129AC0000000089/art-398-6/par-4 - 民法 附則第六条第一項（元本の確定すべき期日に関する経過措置） — https://japanlaw.org/ja/civil-code/suppl-3461-99/art-6/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-3461-99/art-6/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