# 公益通報者保護法 / Whistleblower Protection Act — 第四条 (Article 4) This is the Markdown twin of https://japanlaw.org/en/whistleblower-protection-act/art-4. 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: 第四条 (Article 4)（労働者派遣契約の解除の無効） — address `art-4` - Text in force since: 2026-07-17 - URL (the page that opens at this provision): https://japanlaw.org/en/whistleblower-protection-act/art-4 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/416AC0000000122/art-4 - 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. --- ### 第四条（労働者派遣契約の解除の無効） — Invalidity of Cancellation of a Worker Dispatch Contract caption: machine translation, not official art-4 · https://japanlaw.org/en/whistleblower-protection-act/art-4 · https://japanlaw.org/l/416AC0000000122/art-4 **第一項** 第二条第一項第二号に定める事業者（当該派遣労働者に係る労働者派遣の役務の提供を受けるものに限る。以下この条及び次条第二項において同じ。）の指揮命令の下に労働する派遣労働者である公益通報者が前条各号に定める公益通報をしたことを理由として第二条第一項第二号に定める事業者が行った労働者派遣契約（労働者派遣法第二十六条第一項に規定する労働者派遣契約をいう。）の解除は、無効とする。 art-4/par-1 · https://japanlaw.org/en/whistleblower-protection-act/art-4/par-1 · https://japanlaw.org/l/416AC0000000122/art-4/par-1 The cancellation of a worker dispatch contract (meaning a worker dispatch contract prescribed in Article 26, paragraph (1) of the Worker Dispatching Act) by a business operator provided for in Article 2, paragraph (1), item (ii) is void if it is on the grounds that a whistleblower who is a dispatched worker working under the directions and orders of a business operator provided for in Article 2, paragraph (1), item (ii) (limited to a business operator receiving provision of the services of worker dispatch related to the relevant dispatched worker; the same applies in this Article and Article 5, paragraph (2)) has conducted whistleblowing provided for in the items of the preceding Article. machine translation, not official --- ## Cites - art-4/par-1: 第二条第一項第二号 → 公益通報者保護法 第二条第一項第二号 (Article 2, paragraph (1), item (ii)), art-2/par-1/item-2 — https://japanlaw.org/en/whistleblower-protection-act/art-2/par-1/item-2 · https://japanlaw.org/l/416AC0000000122/art-2/par-1/item-2 - art-4/par-1: この条 → 公益通報者保護法 第四条 (Article 4), art-4 — https://japanlaw.org/en/whistleblower-protection-act/art-4 · https://japanlaw.org/l/416AC0000000122/art-4 - art-4/par-1: 次条第二項 → 公益通報者保護法 第五条第二項 (Article 5, paragraph (2)), art-5/par-2 — https://japanlaw.org/en/whistleblower-protection-act/art-5/par-2 · https://japanlaw.org/l/416AC0000000122/art-5/par-2 - art-4/par-1: 前条 → 公益通報者保護法 第三条 (Article 3), art-3 — https://japanlaw.org/en/whistleblower-protection-act/art-3 · https://japanlaw.org/l/416AC0000000122/art-3 - art-4/par-1: 労働者派遣法第二十六条第一項 → 労働者派遣事業の適正な運営の確保及び派遣労働者の保護等に関する法律 第二十六条第一項 (Article 26, paragraph (1)), art-26/par-1 — https://japanlaw.org/en/worker-dispatch-act/art-26/par-1 · https://japanlaw.org/l/360AC0000000088/art-26/par-1 ## Cited by 5 provisions cite this one. No official source publishes this direction. - 公益通報者保護法 第二条第一項第二号（定義） — https://japanlaw.org/en/whistleblower-protection-act/art-2/par-1/item-2 · https://japanlaw.org/l/416AC0000000122/art-2/par-1/item-2 - 公益通報者保護法 第四条第一項（労働者派遣契約の解除の無効） — https://japanlaw.org/en/whistleblower-protection-act/art-4/par-1 · https://japanlaw.org/l/416AC0000000122/art-4/par-1 - 公益通報者保護法 第五条第二項（不利益取扱いの禁止） — https://japanlaw.org/en/whistleblower-protection-act/art-5/par-2 · https://japanlaw.org/l/416AC0000000122/art-5/par-2 - 公益通報者保護法 第八条第一項（解釈規定） — https://japanlaw.org/en/whistleblower-protection-act/art-8/par-1 · https://japanlaw.org/l/416AC0000000122/art-8/par-1 - 公益通報者保護法 第九条第一項（一般職の国家公務員等に対する取扱い） — https://japanlaw.org/en/whistleblower-protection-act/art-9/par-1 · https://japanlaw.org/l/416AC0000000122/art-9/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 - claude-sonnet-5-5 — Machine translation, batch whistleblower-protection-act-20261026T133420-001, translated 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