# 公益通報者保護法 / Whistleblower Protection Act — 第二条 (Supplementary Provisions, Article 2)

This is the Markdown twin of https://japanlaw.org/ja/whistleblower-protection-act/suppl-5021-51/art-2. Every law, and how to address a provision: https://japanlaw.org/llms.txt. The same laws as MCP tools (no sign-in): https://japanlaw.org/mcp.

- 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: 第二条 (Supplementary Provisions, Article 2)（経過措置） — address `suppl-5021-51/art-2`
- Text in force since: 2026-07-17
- URL (the page that opens at this provision): https://japanlaw.org/ja/whistleblower-protection-act/suppl-5021-51/art-2
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/416AC0000000122/suppl-5021-51/art-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.

---

### 第二条（経過措置） — (Transitional Measures)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>suppl-5021-51/art-2 · https://japanlaw.org/ja/whistleblower-protection-act/suppl-5021-51/art-2 · https://japanlaw.org/l/416AC0000000122/suppl-5021-51/art-2</sup>

**第一項**  この法律による改正後の公益通報者保護法（以下「新法」という。）の規定は、この法律の施行後にされる新法第二条第一項に規定する公益通報について適用し、この法律の施行前にされたこの法律による改正前の公益通報者保護法第二条第一項に規定する公益通報については、なお従前の例による。
<sup>suppl-5021-51/art-2/par-1 · https://japanlaw.org/ja/whistleblower-protection-act/suppl-5021-51/art-2/par-1 · https://japanlaw.org/l/416AC0000000122/suppl-5021-51/art-2/par-1</sup>
The provisions of the Whistleblower Protection Act amended by this Act (referred to below as the "new Act") apply to the whistleblowing prescribed in Article 2, paragraph (1) of the new Act that is made after the enforcement of this Act, and prior laws continue to govern the whistleblowing prescribed in Article 2, paragraph (1) of the Whistleblower Protection Act before amendment by this Act that is made before the enforcement of this Act.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

---

## Cites
- suppl-5021-51/art-2/par-1: 新法第二条第一項 → 公益通報者保護法 第二条第一項 (Article 2, paragraph (1)), art-2/par-1 — https://japanlaw.org/ja/whistleblower-protection-act/art-2/par-1 · https://japanlaw.org/l/416AC0000000122/art-2/par-1

## Cited by

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

- 公益通報者保護法 附則第四条第一項（政令への委任） — https://japanlaw.org/ja/whistleblower-protection-act/suppl-5021-51/art-4/par-1 · https://japanlaw.org/l/416AC0000000122/suppl-5021-51/art-4/par-1

---

## 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
