The process of integration calls for the acceptance of a special legal system of a super-national organization. By joining the integration process, a state prepares itself for its membership-to-be, and this applies in particular to joining the European Union, where the applicant states accept all the rules which are supposed to prepare them for becoming part of the Union. An agreement on joining establishes rights and obligations, is created separately for each country, and it is related to accepting standards in the field of politics, economy, and law. The paper defines the concept of these standards and the very notion of legal standards, as well as their presence in the Police Act. There is a detailed analysis of the presence of the so-called principle of quality administration defined in the Agreement of Nizza and the Charter on Fundamental Rights in the latest Police Act. Besides, attention has been drawn to certain expectations regarding harmonization of law in the field of internal affairs. The undergoing process of reform calls for providing regulations harmonized with relevant European standards in this sphere, so as to enable the process to develop in a desirable direction.