# 災害対策基本法 / Basic Act on Disaster Management — 第七十三条 (Article 73)

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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: 第七十三条 (Article 73)（都道府県知事による応急措置の代行） — address `art-73`
- Text in force since: 2026-11-02
- URL (the page that opens at this provision): https://japanlaw.org/ja/disaster-management-act/art-73
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/336AC0000000223/art-73
- 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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### 第七十三条（都道府県知事による応急措置の代行） — (Execution of Emergency Measures by a Prefectural Governor)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-73 · https://japanlaw.org/ja/disaster-management-act/art-73 · https://japanlaw.org/l/336AC0000000223/art-73</sup>

  **第一項**  都道府県知事は、当該都道府県の地域に係る災害が発生した場合において、当該災害の発生により市町村がその全部又は大部分の事務を行なうことができなくなつたときは、当該市町村の市町村長が第六十三条第一項、第六十四条第一項及び第二項並びに第六十五条第一項の規定により実施すべき応急措置の全部又は一部を当該市町村長に代わつて実施しなければならない。
  <sup>art-73/par-1 · https://japanlaw.org/ja/disaster-management-act/art-73/par-1 · https://japanlaw.org/l/336AC0000000223/art-73/par-1</sup>
  In cases where a disaster involving an area of a prefecture has occurred, when a municipality is unable to perform all or the majority of its affairs because of the occurrence of the disaster, the prefectural governor must implement on behalf of the mayor of a municipality all or a part of the emergency measures to be implemented by the mayor of a municipality pursuant to the provisions of Article 63, paragraph (1), Article 64, paragraphs (1) and (2), and Article 65, paragraph (1).
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **第二項**  都道府県知事は、前項の規定により市町村長の事務の代行を開始し、又は終了したときは、その旨を公示しなければならない。
  <sup>art-73/par-2 · https://japanlaw.org/ja/disaster-management-act/art-73/par-2 · https://japanlaw.org/l/336AC0000000223/art-73/par-2</sup>
  When the prefectural governor has begun or completed the implementation of affairs on behalf of the mayor of a municipality pursuant to the provisions of the preceding paragraph, the governor must make a public notice to that effect.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

  **第三項**  第一項の規定による都道府県知事の代行に関し必要な事項は、政令で定める。
  <sup>art-73/par-3 · https://japanlaw.org/ja/disaster-management-act/art-73/par-3 · https://japanlaw.org/l/336AC0000000223/art-73/par-3</sup>
  Necessary matters related to the prefectural governor in acting on behalf of the mayor of a municipality under paragraph (1) are prescribed by Cabinet Order.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

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## Cites
- art-73/par-1: 第六十三条第一項 → 災害対策基本法 第六十三条第一項 (Article 63, paragraph (1)), art-63/par-1 — https://japanlaw.org/ja/disaster-management-act/art-63/par-1 · https://japanlaw.org/l/336AC0000000223/art-63/par-1
- art-73/par-1: 第六十四条第一項 → 災害対策基本法 第六十四条第一項 (Article 64, paragraph (1)), art-64/par-1 — https://japanlaw.org/ja/disaster-management-act/art-64/par-1 · https://japanlaw.org/l/336AC0000000223/art-64/par-1
- art-73/par-1: 第二項 → 災害対策基本法 第六十四条第二項 (Article 64, paragraph (2)), art-64/par-2 — https://japanlaw.org/ja/disaster-management-act/art-64/par-2 · https://japanlaw.org/l/336AC0000000223/art-64/par-2
- art-73/par-1: 第六十五条第一項 → 災害対策基本法 第六十五条第一項 (Article 65, paragraph (1)), art-65/par-1 — https://japanlaw.org/ja/disaster-management-act/art-65/par-1 · https://japanlaw.org/l/336AC0000000223/art-65/par-1
- art-73/par-2: 前項 → 災害対策基本法 第七十三条第一項 (Article 73, paragraph (1)), art-73/par-1 — https://japanlaw.org/ja/disaster-management-act/art-73/par-1 · https://japanlaw.org/l/336AC0000000223/art-73/par-1
- art-73/par-3: 第一項 → 災害対策基本法 第七十三条第一項 (Article 73, paragraph (1)), art-73/par-1 — https://japanlaw.org/ja/disaster-management-act/art-73/par-1 · https://japanlaw.org/l/336AC0000000223/art-73/par-1

## Cited by

3 provisions cite this one. No official source publishes this direction.

- 災害対策基本法 第七十三条第二項（都道府県知事による応急措置の代行） — https://japanlaw.org/ja/disaster-management-act/art-73/par-2 · https://japanlaw.org/l/336AC0000000223/art-73/par-2
- 災害対策基本法 第七十三条第三項（都道府県知事による応急措置の代行） — https://japanlaw.org/ja/disaster-management-act/art-73/par-3 · https://japanlaw.org/l/336AC0000000223/art-73/par-3
- 災害対策基本法 第百十六条第一項第二号 — https://japanlaw.org/ja/disaster-management-act/art-116/par-1/item-2 · https://japanlaw.org/l/336AC0000000223/art-116/par-1/item-2

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## Sources

- 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 — 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
