Since it is relatively rare, it is very likely that there are many vehicles whose frame numbers or engine numbers do not match the vehicle documents. This research aims to find out the actions taken by the police to recognize the conformity between the motor vehicle frame number and the frame and engine numbers. Physical inspection of motorized vehicles is a strategic step in dealing with this. The police must adhere to certain procedures when conducting investigations. this physical examination of motor vehicles and items that can be used as guidelines to determine the elements of motor vehicle forgery, is the problem that is the subject of this study. Checking the Motor Vehicle Number Certificate (STNK) and Motor Vehicle Owner's Book (BPKB) at the place of operation, checking the vehicle engine number, and testing the speed of the vehicle are ways of physically inspecting motor vehicles in order to control administration. Police officers use vehicle body changes and vehicle speed as guidelines to determine whether or not there are elements of vehicle forgery.