Relevance: currently, the development of network interaction of educational organizations, especially higher education, as a specific organizational form of integration of participants in the educational process is becoming increasingly relevant. At the same time, the issues of regulatory support for the network form of training have not been fully studied. In addition, the use of a network form of implementing additional vocational education programs has its own peculiarities, which, according to the authors, have not yet been taken into account in the legislation on education, and requires a separate discussion. The purpose of the work: from the point of view of the requirements that are imposed on modern education, including additional professional education, as well as taking into account the rapid development of educational technologies, the authors justify the need for educational organizations to use the network form when implementing advanced training courses and professional retraining programs. Methods: during the research, such traditional methods and methods of scientific cognition as analysis, synthesis, methods of induction and deduction were used. Results: on the basis of normative and methodological acts, the authors identified various types and tasks of network cooperation of educational organizations, noted certain difficulties in applying the network form of implementing additional professional education programs, including in terms of regulatory legal regulation of these issues. The authors come to the conclusion that the network training is useful in the field of additional vocational education, since this significantly improves its quality and responses the needs of employers and employees, as well as leads to the emergence of new educational programs that meet the demand in the labor market. In addition, joint projects of organizations have a positive impact on educational technologies and methods that I use in the learning process, stimulating the mutual exchange of best educational practices.