# 民法 / Civil Code — 第百七十九条 (Article 179) - 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: 第百七十九条 (Article 179)（混同） — address `art-179` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/ja/civil-code/art-179 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/art-179 - 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. --- ### 第百七十九条（混同） — (Merger of Rights) caption: Ministry of Justice translation — Japanese Law Translation Database System art-179 · https://japanlaw.org/ja/civil-code/art-179 · https://japanlaw.org/l/129AC0000000089/art-179 **第一項** 同一物について所有権及び他の物権が同一人に帰属したときは、当該他の物権は、消滅する。ただし、その物又は当該他の物権が第三者の権利の目的であるときは、この限りでない。 art-179/par-1 · https://japanlaw.org/ja/civil-code/art-179/par-1 · https://japanlaw.org/l/129AC0000000089/art-179/par-1 If ownership and another real right on the same thing are acquired by the same person, the other real right is extinguished; provided, however, that this does not apply if that thing or the other real right is the object of the right of a third party. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 所有権以外の物権及びこれを目的とする他の権利が同一人に帰属したときは、当該他の権利は、消滅する。この場合においては、前項ただし書の規定を準用する。 art-179/par-2 · https://japanlaw.org/ja/civil-code/art-179/par-2 · https://japanlaw.org/l/129AC0000000089/art-179/par-2 If a real right other than ownership and another right for which that real right is the object are acquired by the same person, the other right is extinguished. In this case, the provisions of the proviso to the preceding paragraph apply mutatis mutandis. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 前二項の規定は、占有権については、適用しない。 art-179/par-3 · https://japanlaw.org/ja/civil-code/art-179/par-3 · https://japanlaw.org/l/129AC0000000089/art-179/par-3 The provisions of the preceding two paragraphs do not apply to possessory rights. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-179/par-2: 前項 → 民法 第百七十九条第一項 (Article 179, paragraph (1)), art-179/par-1 — https://japanlaw.org/ja/civil-code/art-179/par-1 · https://japanlaw.org/l/129AC0000000089/art-179/par-1 - art-179/par-3: 前二項 → 民法 第百七十九条第一項 (Article 179, paragraph (1)), art-179/par-1 — https://japanlaw.org/ja/civil-code/art-179/par-1 · https://japanlaw.org/l/129AC0000000089/art-179/par-1 - art-179/par-3: 前二項 → 民法 第百七十九条第二項 (Article 179, paragraph (2)), art-179/par-2 — https://japanlaw.org/ja/civil-code/art-179/par-2 · https://japanlaw.org/l/129AC0000000089/art-179/par-2 ## Cited by 2 provisions cite this one. No official source publishes this direction. - 民法 第百七十九条第二項（混同） — https://japanlaw.org/ja/civil-code/art-179/par-2 · https://japanlaw.org/l/129AC0000000089/art-179/par-2 - 民法 第百七十九条第三項（混同） — https://japanlaw.org/ja/civil-code/art-179/par-3 · https://japanlaw.org/l/129AC0000000089/art-179/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