# 公益通報者保護法 / Whistleblower Protection Act — 第十二条 (Article 12)

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- Law: 公益通報者保護法 (Whistleblower Protection Act), 平成十六年法律第百二十二号
- English title "Whistleblower Protection Act": 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: 第十二条 (Article 12)（公益通報対応業務従事者の義務） — address `art-12`
- Text in force since: 2026-07-17
- URL (the page that opens at this provision): https://japanlaw.org/en/whistleblower-protection-act/art-12
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/416AC0000000122/art-12
- 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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### 第十二条（公益通報対応業務従事者の義務） — (Obligations of Persons Engaged in the Activity of Dealing with Whistleblowing)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-12 · https://japanlaw.org/en/whistleblower-protection-act/art-12 · https://japanlaw.org/l/416AC0000000122/art-12</sup>

**第一項**  公益通報対応業務従事者又は公益通報対応業務従事者であった者は、正当な理由がなく、その公益通報対応業務に関して知り得た事項であって公益通報者を特定させるものを漏らしてはならない。
<sup>art-12/par-1 · https://japanlaw.org/en/whistleblower-protection-act/art-12/par-1 · https://japanlaw.org/l/416AC0000000122/art-12/par-1</sup>
A person who is or was engaged in the activity of dealing with whistleblowing must not divulge any information which comes to the person's knowledge in connection with the activity of dealing with whistleblowing that enables the identification of the whistleblower, without just cause.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

## Cited by

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

- 公益通報者保護法 第十一条第一項（事業者がとるべき措置） — https://japanlaw.org/en/whistleblower-protection-act/art-11/par-1 · https://japanlaw.org/l/416AC0000000122/art-11/par-1
- 公益通報者保護法 第二十一条第一項 — https://japanlaw.org/en/whistleblower-protection-act/art-21/par-1 · https://japanlaw.org/l/416AC0000000122/art-21/par-1

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 公益通報者保護法 — the text in force from 2026-07-17 (https://laws.e-gov.go.jp/law/416AC0000000122/20260717_508AC0000000062), retrieved 2026-10-26
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Whistleblower Protection Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/5109/tb), retrieved 2026-10-26
- This site's parser, version 218 — 公益通報者保護法 — structure, counts, cross-references and defined terms, computed 2026-10-26
