This article presents the problems of administrative fines in the Code of Administrative Procedure. These solutions were introduced to this act in 2017. The amendment to the Code of Administrative Procedure provided for the introduction of a new section (Section VIa), the provisions of which lay down the rules for imposing administrative penalties, ie penalties, cases justifying waiving the imposition of a penalty and granting the public administration authority the prescription, limitation of the imposition and enforcement of the penalty, and also the rules of postponement, payment in installments and cancellation of penalties. This article presents only selected issues of the regulation of imposing administrative fines in the Code of Administrative Procedure.