# 災害対策基本法 / Basic Act on Disaster Management — 第四十九条の十七 (Article 49-17)

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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: 第四十九条の十七 (Article 49-17)（秘密保持義務） — address `art-49-17`
- Text in force since: 2026-11-02
- URL (the page that opens at this provision): https://japanlaw.org/en/disaster-management-act/art-49-17
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/336AC0000000223/art-49-17
- 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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### 第四十九条の十七（秘密保持義務） — (Duty of Confidentiality)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-49-17 · https://japanlaw.org/en/disaster-management-act/art-49-17 · https://japanlaw.org/l/336AC0000000223/art-49-17</sup>

  **第一項**  第四十九条の十五第二項若しくは第三項の規定により個別避難計画情報の提供を受けた者（その者が法人である場合にあつては、その役員）若しくはその職員その他の当該個別避難計画情報を利用して避難支援等の実施に携わる者又はこれらの者であつた者は、正当な理由がなく、当該個別避難計画情報に係る避難行動要支援者等に関して知り得た秘密を漏らしてはならない。
  <sup>art-49-17/par-1 · https://japanlaw.org/en/disaster-management-act/art-49-17/par-1 · https://japanlaw.org/l/336AC0000000223/art-49-17/par-1</sup>
  Those who have received information on the individual evacuation plans pursuant to the provisions of Article 49-15, paragraph (2) or paragraph (3) (if those persons are corporations, their officers), their officials, or any other persons who are engaged in Evacuation Support, etc. by using the information on the individual evacuation plans, or a person who used to be any of the above, must not divulge to a third party any secret which they came to know about the residents in need of assistance in evacuation, etc. related to information on the individual evacuation plans without just cause.
  <sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

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## Cites
- art-49-17/par-1: 第四十九条の十五第二項 → 災害対策基本法 第四十九条の十五第二項 (Article 49-15, paragraph (2)), art-49-15/par-2 — https://japanlaw.org/en/disaster-management-act/art-49-15/par-2 · https://japanlaw.org/l/336AC0000000223/art-49-15/par-2
- art-49-17/par-1: 第三項 → 災害対策基本法 第四十九条の十五第三項 (Article 49-15, paragraph (3)), art-49-15/par-3 — https://japanlaw.org/en/disaster-management-act/art-49-15/par-3 · https://japanlaw.org/l/336AC0000000223/art-49-15/par-3

## Cited by

1 provision cites this one. No official source publishes this direction.

- 災害対策基本法 第四十九条の十五第二項（個別避難計画情報の利用及び提供） — https://japanlaw.org/en/disaster-management-act/art-49-15/par-2 · https://japanlaw.org/l/336AC0000000223/art-49-15/par-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 222 — 災害対策基本法 — structure, counts, cross-references and defined terms, computed 2026-11-02
