obowiązywała

Said in one Polish podcast line.

• Wtedy obowiązywała zasada, przychodzisz do pracy i od razu jesteś związkowcem.

  At that time, the rule was that you come to work and immediately you are a union member.

  

  Świadkowie historii - Radio ZachódŚWIADKOWIE HISTORII, odc. 15. „Ostatni autobus"

The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Polish books and courses on Amazon (affiliate link).