# 災害対策基本法 / Basic Act on Disaster Management — 第一条 (Supplementary Provisions, Article 1)

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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: 第一条 (Supplementary Provisions, Article 1)（施行期日） — address `suppl-5081-62/art-1`
- Text in force since: 2026-11-02
- URL (the page that opens at this provision): https://japanlaw.org/ja/disaster-management-act/suppl-5081-62/art-1
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/336AC0000000223/suppl-5081-62/art-1
- 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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### 第一条（施行期日） — Effective Date
<sup>caption: machine translation, not official</sup>
<sup>suppl-5081-62/art-1 · https://japanlaw.org/ja/disaster-management-act/suppl-5081-62/art-1 · https://japanlaw.org/l/336AC0000000223/suppl-5081-62/art-1</sup>

**第一項**  この法律は、防災庁設置法（令和八年法律第六十一号）の施行の日から施行する。ただし、次の各号に掲げる規定は、当該各号に定める日から施行する。
<sup>suppl-5081-62/art-1/par-1 · https://japanlaw.org/ja/disaster-management-act/suppl-5081-62/art-1/par-1 · https://japanlaw.org/l/336AC0000000223/suppl-5081-62/art-1/par-1</sup>
This Act comes into effect as of the date on which the Act for Establishment of the Disaster Management Agency (Act No. 61 of 2026) comes into effect; provided, however, that the provisions set forth in the following items come into effect as of the dates specified respectively in those items:
<sup>machine translation, not official</sup>

  **一**  附則第八条の規定　公布の日
  <sup>suppl-5081-62/art-1/par-1/item-1 · https://japanlaw.org/ja/disaster-management-act/suppl-5081-62/art-1/par-1/item-1 · https://japanlaw.org/l/336AC0000000223/suppl-5081-62/art-1/par-1/item-1</sup>
  the provisions of Article 8 of the Supplementary Provisions: the date of promulgation;
  <sup>machine translation, not official</sup>

  **二**  第八条中災害対策基本法第百十一条の次に一条を加える改正規定、第二十条中南海トラフ地震に係る地震防災対策の推進に関する特別措置法第二十二条を同法第二十三条とし、同法第二十一条の次に一条を加える改正規定、第二十五条中日本海溝・千島海溝周辺海溝型地震に係る地震防災対策の推進に関する特別措置法第二十二条を同法第二十三条とし、同法第二十一条の次に一条を加える改正規定、第三十三条中大規模災害からの復興に関する法律第五十七条の次に一条を加える改正規定及び第三十五条中首都直下地震対策特別措置法第四十条の改正規定　防災庁設置法附則第一条第二号に掲げる規定の施行の日
  <sup>suppl-5081-62/art-1/par-1/item-2 · https://japanlaw.org/ja/disaster-management-act/suppl-5081-62/art-1/par-1/item-2 · https://japanlaw.org/l/336AC0000000223/suppl-5081-62/art-1/par-1/item-2</sup>
  the provision of Article 8 adding one Article after Article 111 of the Basic Act on Disaster Management, the provision of Article 20 renumbering Article 22 of the Act on Special Measures for the Promotion of Earthquake Disaster Countermeasures concerning Nankai Trough Earthquakes as Article 23 of that Act and adding one Article after Article 21 of that Act, the provision of Article 25 renumbering Article 22 of the Act on Special Measures concerning Advancement of Countermeasures against Earthquake Disaster in Relation to Subduction Zone Earthquake Around Japan Trench and Chishima Trench as Article 23 of that Act and adding one Article after Article 21 of that Act, the provision of Article 33 adding one Article after Article 57 of the Act on Reconstruction from Large-Scale Disasters, and the provision of Article 35 amending Article 40 of the Act on Special Measures for Countermeasures against Earthquakes Directly Beneath the Capital: the date on which the provisions set forth in Article 1, item (ii) of the Supplementary Provisions of the Act for Establishment of the Disaster Management Agency come into effect.
  <sup>machine translation, not official</sup>

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## Cites
- suppl-5081-62/art-1/par-1/item-1: 附則第八条 → 災害対策基本法 附則第八条 (Supplementary Provisions, Article 8), suppl-5081-62/art-8 — https://japanlaw.org/ja/disaster-management-act/suppl-5081-62/art-8 · https://japanlaw.org/l/336AC0000000223/suppl-5081-62/art-8

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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
- claude-sonnet-5-5 — Machine translation, batch disaster-management-act-20261103T010525-010, translated 2026-11-03
- claude-sonnet-5-5 — Machine translation, batch disaster-management-act-20261103T010525-014, translated 2026-11-03
- claude-sonnet-5-5, corrected on review by claude-opus-5-5 — Machine translation corrected on review, batch disaster-management-act-20261103T010525-014, translated 2026-11-03
- This site's parser, version 222 — 災害対策基本法 — structure, counts, cross-references and defined terms, computed 2026-11-02
