# 災害対策基本法 / Basic Act on Disaster Management — 第五十四条 (Article 54) This is the Markdown twin of https://japanlaw.org/ja/disaster-management-act/art-54. Every law, and how to address a provision: https://japanlaw.org/llms.txt. The same laws as MCP tools (no sign-in): https://japanlaw.org/mcp. - Law: 災害対策基本法 (Basic Act on Disaster Management), 昭和三十六年法律第二百二十三号 - English title "Basic Act on Disaster Management": 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: 第五十四条 (Article 54)（発見者の通報義務等） — address `art-54` - Text in force since: 2026-11-02 - URL (the page that opens at this provision): https://japanlaw.org/ja/disaster-management-act/art-54 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/336AC0000000223/art-54 - 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. --- ### 第五十四条（発見者の通報義務等） — (Discoverer's Duty to Notify) caption: Ministry of Justice translation — Japanese Law Translation Database System art-54 · https://japanlaw.org/ja/disaster-management-act/art-54 · https://japanlaw.org/l/336AC0000000223/art-54 **第一項** 災害が発生するおそれがある異常な現象を発見した者は、遅滞なく、その旨を市町村長又は警察官若しくは海上保安官に通報しなければならない。 art-54/par-1 · https://japanlaw.org/ja/disaster-management-act/art-54/par-1 · https://japanlaw.org/l/336AC0000000223/art-54/par-1 Any person having detected an unusual event which is likely to lead to a disaster must notify without delay the mayor of a municipality, the police officer, or coast guard officer to that effect. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 何人も、前項の通報が最も迅速に到達するように協力しなければならない。 art-54/par-2 · https://japanlaw.org/ja/disaster-management-act/art-54/par-2 · https://japanlaw.org/l/336AC0000000223/art-54/par-2 Every person must cooperate so that the notification prescribed in the preceding paragraph may reach appropriate authorities as soon as possible. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 第一項の通報を受けた警察官又は海上保安官は、その旨をすみやかに市町村長に通報しなければならない。 art-54/par-3 · https://japanlaw.org/ja/disaster-management-act/art-54/par-3 · https://japanlaw.org/l/336AC0000000223/art-54/par-3 Upon receipt of the notification under paragraph (1), the police or coast guard officer must promptly notify the mayor of a municipality to that effect. Ministry of Justice translation — Japanese Law Translation Database System **第四項** 第一項又は前項の通報を受けた市町村長は、地域防災計画の定めるところにより、その旨を気象庁その他の関係機関に通報しなければならない。 art-54/par-4 · https://japanlaw.org/ja/disaster-management-act/art-54/par-4 · https://japanlaw.org/l/336AC0000000223/art-54/par-4 Upon receipt of the notification prescribed in paragraph (1) or the preceding paragraph, the mayor of a municipality must notify the Japan Meteorological Agency or any other related organs to that effect pursuant to the provisions of the area disaster management plan. Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "Upon receipt of the notification prescribed in paragraph (1) or the preceding paragraph, the mayor of a municipality must promptly notify the Japan Meteorological Agency or any other related organs to that effect pursuant to the provisions of the area disaster management plan." — https://www.japaneselawtranslation.go.jp/en/laws/view/4171/tb --- ## Cites - art-54/par-2: 前項 → 災害対策基本法 第五十四条第一項 (Article 54, paragraph (1)), art-54/par-1 — https://japanlaw.org/ja/disaster-management-act/art-54/par-1 · https://japanlaw.org/l/336AC0000000223/art-54/par-1 - art-54/par-3: 第一項 → 災害対策基本法 第五十四条第一項 (Article 54, paragraph (1)), art-54/par-1 — https://japanlaw.org/ja/disaster-management-act/art-54/par-1 · https://japanlaw.org/l/336AC0000000223/art-54/par-1 - art-54/par-4: 第一項 → 災害対策基本法 第五十四条第一項 (Article 54, paragraph (1)), art-54/par-1 — https://japanlaw.org/ja/disaster-management-act/art-54/par-1 · https://japanlaw.org/l/336AC0000000223/art-54/par-1 - art-54/par-4: 前項 → 災害対策基本法 第五十四条第三項 (Article 54, paragraph (3)), art-54/par-3 — https://japanlaw.org/ja/disaster-management-act/art-54/par-3 · https://japanlaw.org/l/336AC0000000223/art-54/par-3 ## Cited by 3 provisions cite this one. No official source publishes this direction. - 災害対策基本法 第五十四条第二項（発見者の通報義務等） — https://japanlaw.org/ja/disaster-management-act/art-54/par-2 · https://japanlaw.org/l/336AC0000000223/art-54/par-2 - 災害対策基本法 第五十四条第三項（発見者の通報義務等） — https://japanlaw.org/ja/disaster-management-act/art-54/par-3 · https://japanlaw.org/l/336AC0000000223/art-54/par-3 - 災害対策基本法 第五十四条第四項（発見者の通報義務等） — https://japanlaw.org/ja/disaster-management-act/art-54/par-4 · https://japanlaw.org/l/336AC0000000223/art-54/par-4 --- ## Sources - claude-opus-5-5 — Corrections to the Ministry of Justice's English of the Basic Act on Disaster Management, written 2026-11-03 - e-Gov 法令検索, Digital Agency (デジタル庁) — 災害対策基本法 — the text in force from 2026-11-02 (https://laws.e-gov.go.jp/law/336AC0000000223/20261102_508AC0000000062), retrieved 2026-11-02 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Basic Act on Disaster Management (災害対策基本法), Article 54, paragraph (4) — the Ministry of Justice's English as printed (https://www.japaneselawtranslation.go.jp/en/laws/view/4171/tb), retrieved 2026-11-02 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Basic Act on Disaster Management — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/4171/tb), retrieved 2026-11-02 - This site's parser, version 221 — 災害対策基本法 — structure, counts, cross-references and defined terms, computed 2026-11-02