# 民法 / Civil Code — 第三章 (Part 3, Chapter 3)

- 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: 第三章 (Part 3, Chapter 3) — address `pt-3/ch-3`
- Text in force since: 2026-06-24
- URL (the page that opens at this provision): https://japanlaw.org/ja/civil-code/pt-3/ch-3
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/pt-3/ch-3
- 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.

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## 第三章　事務管理 — Chapter III Benevolent Intervention in Another's Affairs
<sup>heading: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>pt-3/ch-3 · https://japanlaw.org/ja/civil-code/pt-3/ch-3 · https://japanlaw.org/l/129AC0000000089/pt-3/ch-3</sup>

### 第六百九十七条（事務管理） — (Benevolent Intervention in Another's Affairs)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-697 · https://japanlaw.org/ja/civil-code/art-697 · https://japanlaw.org/l/129AC0000000089/art-697</sup>

  **第一項**  義務なく他人のために事務の管理を始めた者（以下この章において「管理者」という。）は、その事務の性質に従い、最も本人の利益に適合する方法によって、その事務の管理（以下「事務管理」という。）をしなければならない。
  <sup>art-697/par-1 · https://japanlaw.org/ja/civil-code/art-697/par-1 · https://japanlaw.org/l/129AC0000000089/art-697/par-1</sup>
  A person that has begun to manage affairs for another person without being obligated to do so (in this Chapter referred to as a "manager" below) must manage that affairs, in accordance with the nature of the affairs, in the way that best suits the interests of the principal (referred to as "benevolent intervention in another's affairs" below).
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **第二項**  管理者は、本人の意思を知っているとき、又はこれを推知することができるときは、その意思に従って事務管理をしなければならない。
  <sup>art-697/par-2 · https://japanlaw.org/ja/civil-code/art-697/par-2 · https://japanlaw.org/l/129AC0000000089/art-697/par-2</sup>
  A manager must engage in benevolent intervention in another's affairs in accordance with the intentions of the principal if the manager knows, or is able to conjecture that intention.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

### 第六百九十八条（緊急事務管理） — (Urgent Benevolent Intervention in Another's Affairs)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-698 · https://japanlaw.org/ja/civil-code/art-698 · https://japanlaw.org/l/129AC0000000089/art-698</sup>

  **第一項**  管理者は、本人の身体、名誉又は財産に対する急迫の危害を免れさせるために事務管理をしたときは、悪意又は重大な過失があるのでなければ、これによって生じた損害を賠償する責任を負わない。
  <sup>art-698/par-1 · https://japanlaw.org/ja/civil-code/art-698/par-1 · https://japanlaw.org/l/129AC0000000089/art-698/par-1</sup>
  If a manager engages in benevolent intervention in another's affairs in order to allow a principal to escape imminent danger to the principal's person, reputation, or property, the manager is not liable to compensate for damage resulting from this unless the manager has acted in bad faith or with gross negligence.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

### 第六百九十九条（管理者の通知義務） — (Obligation of Managers to Give Notice)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-699 · https://japanlaw.org/ja/civil-code/art-699 · https://japanlaw.org/l/129AC0000000089/art-699</sup>

  **第一項**  管理者は、事務管理を始めたことを遅滞なく本人に通知しなければならない。ただし、本人が既にこれを知っているときは、この限りでない。
  <sup>art-699/par-1 · https://japanlaw.org/ja/civil-code/art-699/par-1 · https://japanlaw.org/l/129AC0000000089/art-699/par-1</sup>
  A manager must notify the principal without delay that the manager has commenced benevolent intervention in the principal's affairs; provided, however, that this does not apply if the principal already knows of this.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

### 第七百条（管理者による事務管理の継続） — (Continuation of Benevolent Intervention in Another's Affairs by Managers)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-700 · https://japanlaw.org/ja/civil-code/art-700 · https://japanlaw.org/l/129AC0000000089/art-700</sup>

  **第一項**  管理者は、本人又はその相続人若しくは法定代理人が管理をすることができるに至るまで、事務管理を継続しなければならない。ただし、事務管理の継続が本人の意思に反し、又は本人に不利であることが明らかであるときは、この限りでない。
  <sup>art-700/par-1 · https://japanlaw.org/ja/civil-code/art-700/par-1 · https://japanlaw.org/l/129AC0000000089/art-700/par-1</sup>
  A manager must continue the benevolent intervention in another's affairs until the principal or their heir or legal representative is able to undertake it; provided, however, that this does not apply if it is evident that the continuation of the benevolent intervention in another's affairs is contrary to the intention of the principal, or is disadvantageous to the principal.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

### 第七百一条（委任の規定の準用） — (Mutatis Mutandis Application of Provisions on Mandates)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-701 · https://japanlaw.org/ja/civil-code/art-701 · https://japanlaw.org/l/129AC0000000089/art-701</sup>

  **第一項**  第六百四十五条から第六百四十七条までの規定は、事務管理について準用する。
  <sup>art-701/par-1 · https://japanlaw.org/ja/civil-code/art-701/par-1 · https://japanlaw.org/l/129AC0000000089/art-701/par-1</sup>
  The provisions of Article 645 through Article 647 apply mutatis mutandis to the benevolent intervention in another's affairs.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

### 第七百二条（管理者による費用の償還請求等） — (Managers' Claims for Reimbursement of Costs)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-702 · https://japanlaw.org/ja/civil-code/art-702 · https://japanlaw.org/l/129AC0000000089/art-702</sup>

  **第一項**  管理者は、本人のために有益な費用を支出したときは、本人に対し、その償還を請求することができる。
  <sup>art-702/par-1 · https://japanlaw.org/ja/civil-code/art-702/par-1 · https://japanlaw.org/l/129AC0000000089/art-702/par-1</sup>
  If a manager has incurred beneficial expenses for a principal, the manager may claim reimbursement of those costs from the principal.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **第二項**  第六百五十条第二項の規定は、管理者が本人のために有益な債務を負担した場合について準用する。
  <sup>art-702/par-2 · https://japanlaw.org/ja/civil-code/art-702/par-2 · https://japanlaw.org/l/129AC0000000089/art-702/par-2</sup>
  The provisions of Article 650, paragraph (2) apply mutatis mutandis if a manager has incurred beneficial obligations on behalf of the principal.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **第三項**  管理者が本人の意思に反して事務管理をしたときは、本人が現に利益を受けている限度においてのみ、前二項の規定を適用する。
  <sup>art-702/par-3 · https://japanlaw.org/ja/civil-code/art-702/par-3 · https://japanlaw.org/l/129AC0000000089/art-702/par-3</sup>
  If a manager has engaged in the benevolent intervention in another's affairs against the intention of the principal, the provisions of the preceding two paragraphs apply, solely to the extent currently enriched.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

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## Cites
- art-701/par-1: 第六百四十五条から第六百四十七条まで → 民法 第六百四十五条 (Article 645), art-645 — https://japanlaw.org/ja/civil-code/art-645 · https://japanlaw.org/l/129AC0000000089/art-645
- art-701/par-1: 第六百四十五条から第六百四十七条まで → 民法 第六百四十六条 (Article 646), art-646 — https://japanlaw.org/ja/civil-code/art-646 · https://japanlaw.org/l/129AC0000000089/art-646
- art-701/par-1: 第六百四十五条から第六百四十七条まで → 民法 第六百四十七条 (Article 647), art-647 — https://japanlaw.org/ja/civil-code/art-647 · https://japanlaw.org/l/129AC0000000089/art-647
- art-702/par-2: 第六百五十条第二項 → 民法 第六百五十条第二項 (Article 650, paragraph (2)), art-650/par-2 — https://japanlaw.org/ja/civil-code/art-650/par-2 · https://japanlaw.org/l/129AC0000000089/art-650/par-2
- art-702/par-3: 前二項 → 民法 第七百二条第一項 (Article 702, paragraph (1)), art-702/par-1 — https://japanlaw.org/ja/civil-code/art-702/par-1 · https://japanlaw.org/l/129AC0000000089/art-702/par-1
- art-702/par-3: 前二項 → 民法 第七百二条第二項 (Article 702, paragraph (2)), art-702/par-2 — https://japanlaw.org/ja/civil-code/art-702/par-2 · https://japanlaw.org/l/129AC0000000089/art-702/par-2

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## 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