HR Signal: The EU Whistleblowing Directive

Read more

Warning strikes require prior employee approval

05.12.2025

Industrial action serves as a vital way for trade unions to express their stance and strengthen their leverage with management. Yet, to ensure their legality, these actions must strictly comply with statutory requirements and cannot unduly disrupt the workplace’s normal operations. The legal obligation to hold a referendum also applies to warning strikes. Consequently, even a two-hour work stoppage requires the trade union to secure prior majority support from the employees before proceeding. – Sławomir Paruch and Kinga Ciosk comment to Dziennik Gazeta Prawna.

Full article in Polish avialible: here.