Delays in payment may constitute a serious barrier to the business activity of the entrepreneur. Therefore, it is necessary to find a normative solution to this problem. Pursuant to the Act amending certain acts on reducing payment gridlocks a system for enforcing payment within a fixed period will be introduced. This is to improve the current regulatory environment in which parties to commercial transactions operate. The main purpose of the Act is helping entrepreneurs who do not receive their due payment on time. New regulations will also provide that payment terms in transactions between entrepreneurs will be shortened. The act amending certain acts on reducing payment gridlocks became effective on 1 January 2020. The study tends to answer the questions — how is the control carried out in the course of proceedings on combating excessive late payment in commercial transactions? In addition, it contains comments and evaluations. Study of the outlined problems was mainly based on the dogmatic and legal method.