# 災害対策基本法 / Basic Act on Disaster Management — 第五十一条の二 (Article 51-2)

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- 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: 第五十一条の二 (Article 51-2)（国民に対する周知） — address `art-51-2`
- Text in force since: 2026-11-02
- URL (the page that opens at this provision): https://japanlaw.org/en/disaster-management-act/art-51-2
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/336AC0000000223/art-51-2
- 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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### 第五十一条の二（国民に対する周知） — (Full Information for Citizens)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-51-2 · https://japanlaw.org/en/disaster-management-act/art-51-2 · https://japanlaw.org/l/336AC0000000223/art-51-2</sup>

  **第一項**  内閣総理大臣は、非常災害又は特定災害が発生し、又は発生するおそれがある場合において、避難のため緊急の必要があると認めるときは、法令又は防災計画の定めるところにより、予想される災害の事態及びこれに対してとるべき措置について、国民に対し周知させる措置をとらなければならない。
  <sup>art-51-2/par-1 · https://japanlaw.org/en/disaster-management-act/art-51-2/par-1 · https://japanlaw.org/l/336AC0000000223/art-51-2/par-1</sup>
  In cases where an extraordinary disaster or specified disaster has occurred or is likely to occur, when the Prime Minister finds it urgently necessary for evacuation, the Prime Minister must take measures to let citizens know the presumed condition of the disaster and the measures to be taken for the disaster as provided for by laws and regulations or under a disaster management plan.
  <sup>Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "In cases where an extraordinary disaster or specified disaster has occurred or is likely to occur, when the Prime Minister finds it urgently necessary for evacuation, the Minister must take measures to let citizens know the presumed condition of the disaster and the measures to be taken for the disaster as provided for by laws and regulations or under a disaster management plan." — https://www.japaneselawtranslation.go.jp/en/laws/view/4171/tb</sup>

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## 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 51-2, 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
