Abstract: The research subject includes the legal provisions, regulating the activities of police officers, connected with the administrative supervision over former inmates. The authors analyze the concepts “observation” and “influence” on the base of the criteria of “control” and “monitoring”, underlying the supervisory activities of police officers. The authors study the “observation” and “influence” concepts and attempt to define the essence of the work of police officers in this sphere. The research methodology is based on the dialectical method along with the comparative-legal method and the method of logical analysis of statutory instruments and scientific works. The authors attempt to reveal the essence of the “observation” and “influence” concepts, define their relation to such categories as “control” and “monitoring” for the purpose of substantiation of the essence of the work of police officers, connected with administrative supervision over persons released from prison. The authors formulate practical proposals, aimed at the improvement of the legislation, regulating the work of police officers in this sphere.