Legal Regulation Of Adaptation Of The National Legislation Of Ukraine To The Eu Legislation (Acquis Communautaire) In The Field Of Public Service

The purpose of the paper is to analyse the concept of a system, to consider the essence of systems theory in lawmaking. Methodology. On the basis of the analysis of components of legal relations in the field of public service and functions of the latter, the specificity of its implementation in the process of adaptation of the national legislation to the EU laws in the field of public service is determined. Task-solving related to the development of laws of adequate quality in terms of the guarantee of their effectiveness, system nature and completeness of the actions, which relies on the legislator, is possible only on conditions that systems theory is applied. Results of the paper showed that a key feature of legal relations in the field of public service is manifested through their functional purpose - the satisfaction of public interest. This particular feature allows us to refer to them as to a system rather than a complex of separately existent objects. Practical implications. The application of systems theory during the implementation of adaptation of the national legislation to the EU in the field of public service implies the necessity to cover all, without any exceptions, components of legal relations in the field of public relations by such processes. Value/originality. The research defined that an adequate application of systems theory during the implementation of the adaptation of national legislation to the EU laws in the field of public service is able, quite predictable, and lead to the codification of legal norms, which regulate legal relations in the field of public service.