Zsuzsanna Árva2025-07-252025-07-2520252080-108410.7206/kp.2080-1084.770https://repozytorium.kozminski.edu.pl/handle/item/2783CC-BY-4.0concept of administrative sanctionsne bis in idem principlecomplementary proceduresparallel sanctionsconcept of administrative sanctionsne bis in idem principlecomplementary proceduresparallel sanctionsThe Limits of ne bis in idem in Administrative MattersThe Limits of ne bis in idem in Administrative MattersArticle