Whistleblower law in Czech Republic #
The Czech Republic implemented Directive (EU) 2019/1937 through Act No. 171/2023 Coll. on the protection of whistleblowers, effective from 1 August 2023. The Czech model gives the Ministry of Justice a visible role through its public Oznamovatel portal and external reporting system.
Applicable law #
Who must establish an internal channel #
Private employers with at least 50 employees must establish an internal reporting channel. Public authorities, municipalities with at least 10,000 inhabitants, and a range of other public bodies are also covered.
External reporting authority #
The official external reporting system is operated by the Ministry of Justice . Czech official guidance also notes that a whistleblower may report directly to the public authority that is substantively competent to address the unlawful conduct.
Data protection authority #
For data-protection complaints connected to whistleblower handling, the relevant authority is the Office for Personal Data Protection (UOOU) .
Key compliance points #
- Czech law is narrower than a generic ethics hotline because the official ministry guidance ties protection to defined types of unlawful conduct.
- The Ministry of Justice publishes model forms, methodology and sample internal rules, which makes the Czech market relatively documentation-heavy.
- Internal systems should clearly explain when a reporter may prefer the ministry’s external route instead of the employer’s own channel.
Official sources #
- Oznamovatel — Ministry of Justice portal
- Ministry of Justice — information for whistleblowers
- Ministry of Justice — Act No. 171/2023 enters into force
- Ministry of Justice — annual reports and methodology section
- UOOU — Office for Personal Data Protection
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