# 民事訴訟法 / Code of Civil Procedure — 第五十一条 (Article 51) - Law: 民事訴訟法 (Code of Civil Procedure), 平成八年法律第百九号 - English title "Code of Civil Procedure": 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: 第五十一条 (Article 51)（義務承継人の訴訟参加及び権利承継人の訴訟引受け） — address `art-51` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/en/code-of-civil-procedure/art-51 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/408AC0000000109/art-51 - 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. --- ### 第五十一条（義務承継人の訴訟参加及び権利承継人の訴訟引受け） — (Intervention by the Successor of an Obligation and Assumption of Litigation by the Transferee of a Right) caption: Ministry of Justice translation — Japanese Law Translation Database System art-51 · https://japanlaw.org/en/code-of-civil-procedure/art-51 · https://japanlaw.org/l/408AC0000000109/art-51 **第一項** 第四十七条から第四十九条までの規定は訴訟の係属中その訴訟の目的である義務の全部又は一部を承継したことを主張する第三者の訴訟参加について、前条の規定は訴訟の係属中第三者がその訴訟の目的である権利の全部又は一部を譲り受けた場合について準用する。 art-51/par-1 · https://japanlaw.org/en/code-of-civil-procedure/art-51/par-1 · https://japanlaw.org/l/408AC0000000109/art-51/par-1 The provisions of Articles 47 through 49 apply mutatis mutandis to intervention by a third party that asserts that, while the litigation has been pending, that third party has succeeded to the whole or part of the obligation that is the subject matter of litigation; and the provisions of the preceding Article apply mutatis mutandis if, while litigation is pending, a third party is transferred the whole or part of a right that is the subject matter of litigation. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-51/par-1: 第四十七条から第四十九条まで → 民事訴訟法 第四十七条 (Article 47), art-47 — https://japanlaw.org/en/code-of-civil-procedure/art-47 · https://japanlaw.org/l/408AC0000000109/art-47 - art-51/par-1: 第四十七条から第四十九条まで → 民事訴訟法 第四十八条 (Article 48), art-48 — https://japanlaw.org/en/code-of-civil-procedure/art-48 · https://japanlaw.org/l/408AC0000000109/art-48 - art-51/par-1: 第四十七条から第四十九条まで → 民事訴訟法 第四十九条 (Article 49), art-49 — https://japanlaw.org/en/code-of-civil-procedure/art-49 · https://japanlaw.org/l/408AC0000000109/art-49 - art-51/par-1: 前条 → 民事訴訟法 第五十条 (Article 50), art-50 — https://japanlaw.org/en/code-of-civil-procedure/art-50 · https://japanlaw.org/l/408AC0000000109/art-50 ## Cited by 2 provisions cite this one. No official source publishes this direction. - 民事訴訟法 第三十二条第二項第一号（被保佐人、被補助人及び法定代理人の訴訟行為の特則） — https://japanlaw.org/en/code-of-civil-procedure/art-32/par-2/item-1 · https://japanlaw.org/l/408AC0000000109/art-32/par-2/item-1 - 民事訴訟法 第五十五条第二項第二号（訴訟代理権の範囲） — https://japanlaw.org/en/code-of-civil-procedure/art-55/par-2/item-2 · https://japanlaw.org/l/408AC0000000109/art-55/par-2/item-2 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 民事訴訟法 — the text in force from 2026-06-24 (https://laws.e-gov.go.jp/law/408AC0000000109/20260624_508AC0000000046), retrieved 2026-10-17 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Code of Civil Procedure — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/4797/tb), retrieved 2026-10-17 - This site's parser, version 209 — 民事訴訟法 — structure, counts, cross-references and defined terms, computed 2026-10-17