# 民法 / Civil Code — 第五百三十一条 (Article 531) - 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: 第五百三十一条 (Article 531)（懸賞広告の報酬を受ける権利） — address `art-531` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/en/civil-code/art-531 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/art-531 - 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. --- ### 第五百三十一条（懸賞広告の報酬を受ける権利） — (Right to Receive Rewards Offered to the Public) caption: Ministry of Justice translation — Japanese Law Translation Database System art-531 · https://japanlaw.org/en/civil-code/art-531 · https://japanlaw.org/l/129AC0000000089/art-531 **第一項** 広告に定めた行為をした者が数人あるときは、最初にその行為をした者のみが報酬を受ける権利を有する。 art-531/par-1 · https://japanlaw.org/en/civil-code/art-531/par-1 · https://japanlaw.org/l/129AC0000000089/art-531/par-1 If more than one person has performed the act requested in an offer to the public, only the person performing the act first holds the right to receive the reward. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 数人が同時に前項の行為をした場合には、各自が等しい割合で報酬を受ける権利を有する。ただし、報酬がその性質上分割に適しないとき、又は広告において一人のみがこれを受けるものとしたときは、抽選でこれを受ける者を定める。 art-531/par-2 · https://japanlaw.org/en/civil-code/art-531/par-2 · https://japanlaw.org/l/129AC0000000089/art-531/par-2 If two or more persons have performed the act referred to in the preceding paragraph simultaneously, each holds the right to receive an equal share of the reward; provided, however, that the person to receive the reward is selected by lot if the reward is indivisible by nature or if the offer prescribes that only one person will receive the reward. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 前二項の規定は、広告中にこれと異なる意思を表示したときは、適用しない。 art-531/par-3 · https://japanlaw.org/en/civil-code/art-531/par-3 · https://japanlaw.org/l/129AC0000000089/art-531/par-3 The provisions of the preceding two paragraphs do not apply if the offeror manifests an intention to the contrary in the offer to the public. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-531/par-2: 前項 → 民法 第五百三十一条第一項 (Article 531, paragraph (1)), art-531/par-1 — https://japanlaw.org/en/civil-code/art-531/par-1 · https://japanlaw.org/l/129AC0000000089/art-531/par-1 - art-531/par-3: 前二項 → 民法 第五百三十一条第一項 (Article 531, paragraph (1)), art-531/par-1 — https://japanlaw.org/en/civil-code/art-531/par-1 · https://japanlaw.org/l/129AC0000000089/art-531/par-1 - art-531/par-3: 前二項 → 民法 第五百三十一条第二項 (Article 531, paragraph (2)), art-531/par-2 — https://japanlaw.org/en/civil-code/art-531/par-2 · https://japanlaw.org/l/129AC0000000089/art-531/par-2 ## Cited by 3 provisions cite this one. No official source publishes this direction. - 民法 第五百三十一条第二項（懸賞広告の報酬を受ける権利） — https://japanlaw.org/en/civil-code/art-531/par-2 · https://japanlaw.org/l/129AC0000000089/art-531/par-2 - 民法 第五百三十一条第三項（懸賞広告の報酬を受ける権利） — https://japanlaw.org/en/civil-code/art-531/par-3 · https://japanlaw.org/l/129AC0000000089/art-531/par-3 - 民法 第五百三十二条第四項（優等懸賞広告） — https://japanlaw.org/en/civil-code/art-532/par-4 · https://japanlaw.org/l/129AC0000000089/art-532/par-4 --- ## 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