Based on a study of the current stage of penal policy, the goals of the probation institution, the legal normative provisions of the Federal Law “On Probation in the Russian Federation” are analyzed. A list of functions and forms of resocialization influence of subjects of probation influence on persons under probation control is given: provision of services, client-centric approach, support for society institutions. The authors determine the essence of the basic categories of the problem under study with an emphasis on today's socio-criminological assessments. The main conclusions of the study are the need to supplement the list of probation subjects; the importance of a multi-level system of normative legal regulation of the probation in resolving issues of resocialization; openness of functioning of the probation institution with the support of civil society. Based on an analysis of the essence of the probation and the content of correctional interventions, a conclusion is drawn about the specific nature of the resocialization process, its duration, stages, sequence, continuity, dynamism, and interconnectedness of the actions of subjects whose competence includes issues of guardianship and support for offenders. The importance of variability of measures used in the resocialization and social adaptation of a convict has been proven, possible ways to control his behavior, and subjects capable of providing services in the field of probation are proposed. The need to study foreign experience in the field of probation is substantiated to develop the most effective ways to achieve the goals of punishment, successful practices of resocialization, and social adaptation of convicts.