The diploma is engaged in the characteristics and the analysis of substantive law aspect of theft, fraud and diversion in view of Penal Code and Misdemeanour Act. The considerable part of Diploma is dedicated to fact analyse of selected criminal cases and offences against the property. Further parts of Diploma are focused on the basic diferences between criminal acts and violations, describe the main attributes of criminal and offences procedure and indicate the legal penalties for mentioned irregular act. The conclusion of diploma is completed by statistics and topics „de lege ferenda“.