A vehicle that is parked on Authority property, other than within designated parking areas, that is not occupied or attended shall be identified and tagged by police. If a tagged vehicle remains on Authority property for 12 or more hours the vehicle shall be designated by the police as an unattended vehicle. The police shall impound the vehicle that has been designated by the police as an unattended vehicle and direct a towing service company holding a permit under COMAR 11.07.03 to remove the vehicle from Authority property. The police shall provide the towing service company with the name and address of the registered owner of the vehicle.