On the basis of cross-sectional studies estimated were the rules for classification to risk groups of people who were sentenced and under supervision of a probation officer. The classification of probationers into risk groups is meant to enhance the public security and adjust the type and intensity of actions taken by probation officers according to the profile of convicts. It thus became possible to adapt the methodological measures used by probation officers to the work strategies of the worldwide probation services based on the case management model. The adopted solutions are in accordance with the UN Standard Minimum Rules (The Tokyo Rules) and standards included in the European Probation Rules.
