# 遺失物法 / Lost Property Act — 第四条 (Article 4) - Law: 遺失物法 (Lost Property Act), 平成十八年法律第七十三号 - English title "Lost Property Act": Ministry of Justice translation database, which lists the title - 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: 第四条 (Article 4) — address `art-4` - Text in force since: 2025-06-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/lost-property-act/art-4 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/418AC0000000073/art-4 - 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. --- ### 第四条 art-4 · https://japanlaw.org/ja/lost-property-act/art-4 · https://japanlaw.org/l/418AC0000000073/art-4 **第一項** 拾得者は、速やかに、拾得をした物件を遺失者に返還し、又は警察署長に提出しなければならない。ただし、法令の規定によりその所持が禁止されている物に該当する物件及び犯罪の犯人が占有していたと認められる物件は、速やかに、これを警察署長に提出しなければならない。 art-4/par-1 · https://japanlaw.org/ja/lost-property-act/art-4/par-1 · https://japanlaw.org/l/418AC0000000073/art-4/par-1 A finder must promptly return the property of which the finder made a finding to the person who lost it or submit it to the chief of a police station; provided, however, that property that falls under things the possession of which is prohibited by laws and regulations and property that is recognized as having been in the possession of the perpetrator of a crime must be promptly submitted to the chief of a police station. machine translation, not official **第二項** 施設において物件（埋蔵物を除く。第三節において同じ。）の拾得をした拾得者（当該施設の施設占有者を除く。）は、前項の規定にかかわらず、速やかに、当該物件を当該施設の施設占有者に交付しなければならない。 art-4/par-2 · https://japanlaw.org/ja/lost-property-act/art-4/par-2 · https://japanlaw.org/l/418AC0000000073/art-4/par-2 Notwithstanding the preceding paragraph, a finder (excluding the facility occupant of the facility concerned) who has made a finding of property (excluding buried things; the same applies in Section 3) in a facility must promptly deliver that property to the facility occupant of that facility. machine translation, not official **第三項** 前二項の規定は、動物の愛護及び管理に関する法律（昭和四十八年法律第百五号）第三十五条第三項に規定する犬又は猫に該当する物件について同項の規定による引取りの求めを行った拾得者については、適用しない。 art-4/par-3 · https://japanlaw.org/ja/lost-property-act/art-4/par-3 · https://japanlaw.org/l/418AC0000000073/art-4/par-3 The provisions of the preceding two paragraphs do not apply to a finder who has requested, under Article 35, paragraph (3) of the Act on Welfare and Management of Animals (Act No. 105 of 1973), the taking over of property that is a dog or cat prescribed in that paragraph. machine translation, not official --- ## Cites - art-4/par-2: 前項 → 遺失物法 第四条第一項 (Article 4, paragraph (1)), art-4/par-1 — https://japanlaw.org/ja/lost-property-act/art-4/par-1 · https://japanlaw.org/l/418AC0000000073/art-4/par-1 - art-4/par-3: 前二項 → 遺失物法 第四条第一項 (Article 4, paragraph (1)), art-4/par-1 — https://japanlaw.org/ja/lost-property-act/art-4/par-1 · https://japanlaw.org/l/418AC0000000073/art-4/par-1 - art-4/par-3: 前二項 → 遺失物法 第四条第二項 (Article 4, paragraph (2)), art-4/par-2 — https://japanlaw.org/ja/lost-property-act/art-4/par-2 · https://japanlaw.org/l/418AC0000000073/art-4/par-2 - art-4/par-3: 動物の愛護及び管理に関する法律（昭和四十八年法律第百五号）第三十五条第三項 → e-Gov law 348AC1000000105, 第三十五条第三項 (Article 35, paragraph (3)), art-35/par-3 — not held in this collection ## Cited by 15 provisions cite this one. No official source publishes this direction. - 遺失物法 第四条第二項 — https://japanlaw.org/ja/lost-property-act/art-4/par-2 · https://japanlaw.org/l/418AC0000000073/art-4/par-2 - 遺失物法 第四条第三項 — https://japanlaw.org/ja/lost-property-act/art-4/par-3 · https://japanlaw.org/l/418AC0000000073/art-4/par-3 - 遺失物法 第五条第一項（書面の交付） — https://japanlaw.org/ja/lost-property-act/art-5/par-1 · https://japanlaw.org/l/418AC0000000073/art-5/par-1 - 遺失物法 第十三条第一項（施設占有者の義務等） — https://japanlaw.org/ja/lost-property-act/art-13/par-1 · https://japanlaw.org/l/418AC0000000073/art-13/par-1 - 遺失物法 第十三条第二項（施設占有者の義務等） — https://japanlaw.org/ja/lost-property-act/art-13/par-2 · https://japanlaw.org/l/418AC0000000073/art-13/par-2 - 遺失物法 第十四条第一項（書面の交付） — https://japanlaw.org/ja/lost-property-act/art-14/par-1 · https://japanlaw.org/l/418AC0000000073/art-14/par-1 - 遺失物法 第十五条第一項（施設占有者の留意事項） — https://japanlaw.org/ja/lost-property-act/art-15/par-1 · https://japanlaw.org/l/418AC0000000073/art-15/par-1 - 遺失物法 第十七条第一項（特例施設占有者に係る提出の免除） — https://japanlaw.org/ja/lost-property-act/art-17/par-1 · https://japanlaw.org/l/418AC0000000073/art-17/par-1 - 遺失物法 第三十条第一項（拾得者等の費用償還義務の免除） — https://japanlaw.org/ja/lost-property-act/art-30/par-1 · https://japanlaw.org/l/418AC0000000073/art-30/par-1 - 遺失物法 第三十三条第一項（施設占有者の権利取得等） — https://japanlaw.org/ja/lost-property-act/art-33/par-1 · https://japanlaw.org/l/418AC0000000073/art-33/par-1 - 遺失物法 第三十四条第一項第二号（費用請求権等の喪失） — https://japanlaw.org/ja/lost-property-act/art-34/par-1/item-2 · https://japanlaw.org/l/418AC0000000073/art-34/par-1/item-2 - 遺失物法 第三十四条第一項第三号（費用請求権等の喪失） — https://japanlaw.org/ja/lost-property-act/art-34/par-1/item-3 · https://japanlaw.org/l/418AC0000000073/art-34/par-1/item-3 - 遺失物法 第三十四条第一項第四号（費用請求権等の喪失） — https://japanlaw.org/ja/lost-property-act/art-34/par-1/item-4 · https://japanlaw.org/l/418AC0000000073/art-34/par-1/item-4 - 遺失物法 第三十四条第一項第五号（費用請求権等の喪失） — https://japanlaw.org/ja/lost-property-act/art-34/par-1/item-5 · https://japanlaw.org/l/418AC0000000073/art-34/par-1/item-5 - 遺失物法 第三十七条第二項（都道府県への所有権の帰属等） — https://japanlaw.org/ja/lost-property-act/art-37/par-2 · https://japanlaw.org/l/418AC0000000073/art-37/par-2 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 遺失物法 — the text in force from 2025-06-01 (https://laws.e-gov.go.jp/law/418AC0000000073/20250601_504AC0000000068), retrieved 2026-10-11 - Japanese Law Translation Database System, Ministry of Justice (法務省) — 遺失物法 — its English title as the Ministry of Justice's translation database lists it (https://www.japaneselawtranslation.go.jp/en/laws/view/1640), retrieved 2026-10-11 - claude-sonnet-5-5 — Machine translation, batch lost-property-act-20261011T093710-001, translated 2026-10-11 - claude-sonnet-5-5 — Machine translation, batch lost-property-act-20261011T095002-001, translated 2026-10-11 - This site's parser, version 186 — 遺失物法 — structure, counts, cross-references and defined terms, computed 2026-10-11