# Article 5, paragraph (1), its wordings — Whistleblower Protection Act

This is the Markdown twin of https://japanlaw.org/en/whistleblower-protection-act/history/art-5/par-1. 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.

How the wording of Article 5, paragraph (1) (第五条第一項) changed with each amendment, and how it will change.

- Law: Whistleblower Protection Act (公益通報者保護法) — https://japanlaw.org/en/whistleblower-protection-act
- Provision: Article 5, paragraph (1) (第五条第一項) — https://japanlaw.org/en/whistleblower-protection-act/art-5/par-1 (as Markdown: https://japanlaw.org/md/en/whistleblower-protection-act/art-5/par-1)
- The law's amendments: https://japanlaw.org/en/whistleblower-protection-act/amendments
- 2 wordings, oldest first.

## 1. Before Act No. 62 of 2025

- State: In force

Japanese:

> 第三条に規定するもののほか、第二条第一項第一号に定める事業者は、その使用し、又は使用していた公益通報者が第三条各号に定める公益通報をしたことを理由として、当該公益通報者に対して、降格、減給、退職金の不支給その他不利益な取扱いをしてはならない。

English (Machine translation, not official):

> In addition to what is provided for in Article 3, a business operator provided for in Article 2, paragraph (1), item (i) must not treat a whistleblower who is or was employed by the business operator in a disadvantageous manner, such as by demotion, reduction of salary, or non-payment of retirement allowance, or otherwise, on the grounds that the whistleblower has conducted whistleblowing provided for in the items of Article 3.

## 2. 1 December 2026 — Act No. 62 of 2025

- State: Not yet in force
- Takes effect: 1 December 2026
- The amendment: Reworded (Act No. 62 of 2025) — https://japanlaw.org/en/whistleblower-protection-act/amendments/20261201_507AC0000000062

Japanese:

> 第二条第一項第三号に定める事業者は、その業務委託をし、又は業務委託をしていた特定受託事業者に係る特定受託業務従事者である公益通報者が第三条第一項各号に定める公益通報をしたことを理由として、当該特定受託事業者に対して、業務委託に係る契約の解除、取引の数量の削減、取引の停止、報酬の減額その他不利益な取扱いをしてはならない。

English (Japanese Law Translation, Ministry of Justice):

> If the business operator specified in Article 2, paragraph (1), item (iii) entrusts or has previously entrusted the business to a specified entrusted business operator, the business operator must not cancel the contract relating to the entrustment of business, reduce the volume of transactions, suspend transactions, reduce the remuneration, or otherwise treat the specified entrusted business operator disadvantageously on the grounds of the whistleblowing provided for in each item of Article 3, paragraph (1) by a whistleblower who is a specified person engaged in entrusted business for the specified entrusted business operator.

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## Sources

- The dates and the amending laws: e-Gov (Digital Agency) (https://laws.e-gov.go.jp/law/416AC0000000122)
- English name of the law: Japanese Law Translation, Ministry of Justice (https://www.japaneselawtranslation.go.jp/en/laws/view/5109/tb)
- English titles of the amending laws: Written for this site with AI
- The Japanese text before: e-Gov (Digital Agency) (https://laws.e-gov.go.jp/law/416AC0000000122/20261102_508AC0000000062)
- The Japanese text after: e-Gov (Digital Agency) (https://laws.e-gov.go.jp/law/416AC0000000122/20261201_507AC0000000062)