# 民法 / Civil Code — 第八百五十一条 (Article 851) - 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: 第八百五十一条 (Article 851)（後見監督人の職務） — address `art-851` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/en/civil-code/art-851 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/art-851 - 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. --- ### 第八百五十一条（後見監督人の職務） — (Duties of the Guardian Supervisor) caption: Ministry of Justice translation — Japanese Law Translation Database System art-851 · https://japanlaw.org/en/civil-code/art-851 · https://japanlaw.org/l/129AC0000000089/art-851 **第一項** 後見監督人の職務は、次のとおりとする。 art-851/par-1 · https://japanlaw.org/en/civil-code/art-851/par-1 · https://japanlaw.org/l/129AC0000000089/art-851/par-1 The duties of a guardian supervisor are as follows: Ministry of Justice translation — Japanese Law Translation Database System **一** 後見人の事務を監督すること。 art-851/par-1/item-1 · https://japanlaw.org/en/civil-code/art-851/par-1/item-1 · https://japanlaw.org/l/129AC0000000089/art-851/par-1/item-1 to supervise the administration of the guardian; Ministry of Justice translation — Japanese Law Translation Database System **二** 後見人が欠けた場合に、遅滞なくその選任を家庭裁判所に請求すること。 art-851/par-1/item-2 · https://japanlaw.org/en/civil-code/art-851/par-1/item-2 · https://japanlaw.org/l/129AC0000000089/art-851/par-1/item-2 to apply to the family court without delay to appoint a guardian if there comes to no longer be a guardian; Ministry of Justice translation — Japanese Law Translation Database System **三** 急迫の事情がある場合に、必要な処分をすること。 art-851/par-1/item-3 · https://japanlaw.org/en/civil-code/art-851/par-1/item-3 · https://japanlaw.org/l/129AC0000000089/art-851/par-1/item-3 to take the necessary measures in the event of an emergency; and Ministry of Justice translation — Japanese Law Translation Database System **四** 後見人又はその代表する者と被後見人との利益が相反する行為について被後見人を代表すること。 art-851/par-1/item-4 · https://japanlaw.org/en/civil-code/art-851/par-1/item-4 · https://japanlaw.org/l/129AC0000000089/art-851/par-1/item-4 to represent the ward with respect to acts that constitute a conflict of interest between the ward and the guardian or the person representing the guardian. Ministry of Justice translation — Japanese Law Translation Database System ## Cited by 2 provisions cite this one. No official source publishes this direction. - 民法 第八百七十六条の三第二項（保佐監督人） — https://japanlaw.org/en/civil-code/art-876-3/par-2 · https://japanlaw.org/l/129AC0000000089/art-876-3/par-2 - 民法 第八百七十六条の八第二項（補助監督人） — https://japanlaw.org/en/civil-code/art-876-8/par-2 · https://japanlaw.org/l/129AC0000000089/art-876-8/par-2 --- ## 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 2 of 2) (https://www.japaneselawtranslation.go.jp/en/laws/view/4275/tb), 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