(1) The department may designate and sign individual parking spaces or groups of parking spaces for vehicle parking, boat trailer parking, day use parking, and registered camper parking at public use sites.  Parking outside of these designated, signed parking spaces is prohibited.  

(2) It is prohibited to park a vehicle in any public use site in violation of the posted parking rules.

(3) Vehicles parked in any public use site in violation of (1) and posing an immediate and significant public safety concern may be towed.

(4) If the operator is not with the vehicle at the time of the violation, the registered owner of the motor vehicle is personally responsible for the costs.  A defense that the motor vehicle was driven into a public use site by another person is not allowed unless it is shown that at the time, the motor vehicle was being used without the consent of the registered owner.