# 災害対策基本法 / Basic Act on Disaster Management — 第五十七条 (Article 57) This is the Markdown twin of https://japanlaw.org/ja/disaster-management-act/art-57. 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: 第五十七条 (Article 57)（警報の伝達等のための通信設備の優先利用等） — address `art-57` - Text in force since: 2026-11-02 - URL (the page that opens at this provision): https://japanlaw.org/ja/disaster-management-act/art-57 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/336AC0000000223/art-57 - 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. --- ### 第五十七条（警報の伝達等のための通信設備の優先利用等） — (Priority Use of Communications Facilities for the Transmission of Alarm) caption: Ministry of Justice translation — Japanese Law Translation Database System art-57 · https://japanlaw.org/ja/disaster-management-act/art-57 · https://japanlaw.org/l/336AC0000000223/art-57 **第一項** 前二条の規定による通知、要請、伝達又は警告が緊急を要するものである場合において、その通信のため特別の必要があるときは、都道府県知事又は市町村長は、他の法律に特別の定めがある場合を除くほか、政令で定めるところにより、電気通信事業法（昭和五十九年法律第八十六号）第二条第五号に規定する電気通信事業者がその事業の用に供する電気通信設備を優先的に利用し、若しくは有線電気通信法（昭和二十八年法律第九十六号）第三条第四項第四号に掲げる者が設置する有線電気通信設備若しくは無線設備を使用し、又は放送法（昭和二十五年法律第百三十二号）第二条第二十三号に規定する基幹放送事業者に放送を行うことを求め、若しくはインターネットを利用した情報の提供に関する事業活動であつて政令で定めるものを行う者にインターネットを利用した情報の提供を行うことを求めることができる。 art-57/par-1 · https://japanlaw.org/ja/disaster-management-act/art-57/par-1 · https://japanlaw.org/l/336AC0000000223/art-57/par-1 In cases where a notification, request, transmission, or alarm under the preceding two Articles requires urgency, when there is a special necessity for its communication, as provided for by Cabinet Order except as otherwise provided for by other laws, the prefectural governor or the mayor of a municipality may preferentially use the telecommunications facilities that the telecommunications carriers prescribed in Article 2, item (v) of the Telecommunications Business Act (Act No. 86 of 1984) use for business purposes, use the wire telecommunications facilities or radio facilities installed by persons set forth in Article 3, paragraph (4), item (iv) of the Wire Telecommunications Act (Act No. 96 of 1953), request the key broadcasters prescribed in Article 2, item (xxiii) of the Broadcast Act (Act No. 132 of 1950) to conduct the broadcast thereof, or request persons engaged in business activities provided for by Cabinet Order concerning the provision of information using the Internet to provide information using the Internet. Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "In cases where a notification, request, transmission, or alarm under the preceding two Articles requires urgency, when there is a special necessity for its communication, as provided for by Cabinet Order except as otherwise provided for by other laws, the prefectural governor or the mayor of a municipality may preferentially use the telecommunications facilities that the telecommunications carriers prescribed in Article 2, item (v) of the Telecommunications Business Act (Act No. 86 of 1984) use for business purposes, use the wire telecommunications facilities or radio facilities installed by persons set forth in Article 3, paragraph (4), item (iv) of the Wire Telecommunications Act (Act No. 96 of 1953), request the key broadcasters prescribed in Article 2, item (xxiii) of the Broadcast Act (Act. No. 132 of 1950) to conduct the broadcast thereof, or request persons engaged in business activities provided for by Cabinet Order concerning the provision of information using the Internet to provide information using the Internet." — https://www.japaneselawtranslation.go.jp/en/laws/view/4171/tb --- ## Cites - art-57/par-1: 前二条 → 災害対策基本法 第五十五条 (Article 55), art-55 — https://japanlaw.org/ja/disaster-management-act/art-55 · https://japanlaw.org/l/336AC0000000223/art-55 - art-57/par-1: 前二条 → 災害対策基本法 第五十六条 (Article 56), art-56 — https://japanlaw.org/ja/disaster-management-act/art-56 · https://japanlaw.org/l/336AC0000000223/art-56 - art-57/par-1: 電気通信事業法（昭和五十九年法律第八十六号）第二条第五号 → e-Gov law 359AC0000000086, 第二条第一項第五号 (Article 2, paragraph (1), item (v)), art-2/par-1/item-5 — not held in this collection - art-57/par-1: 有線電気通信法（昭和二十八年法律第九十六号）第三条第四項第四号 → e-Gov law 328AC0000000096, 第三条第四項第四号 (Article 3, paragraph (4), item (iv)), art-3/par-4/item-4 — not held in this collection - art-57/par-1: 放送法（昭和二十五年法律第百三十二号）第二条第二十三号 → e-Gov law 325AC0000000132, 第二条第一項第二十三号 (Article 2, paragraph (1), item (xxiii)), art-2/par-1/item-23 — not held in this collection ## Cited by 1 provision cites this one. No official source publishes this direction. - 災害対策基本法 第六十一条の三第一項（避難の指示のための通信設備の優先利用等） — https://japanlaw.org/ja/disaster-management-act/art-61-3/par-1 · https://japanlaw.org/l/336AC0000000223/art-61-3/par-1 --- ## 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 57, paragraph (1) — 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