A Service Plate may be used:
on a trailer or motor vehicle other than a motorcycle or motor-assisted bicycle for purposes related to the repair, road testing, customization or modification of the vehicle, if the vehicle is in the possession of the person to whom the service plate is issued, or
for the purpose of transporting the vehicle by a person engaged in the business of transporting vehicles, or
for purposes related to the manufacturing or sale of a trailer, or
for the purpose of towing the vehicle by a person engaged in the business of transporting vehicles, or
to tow a vehicle to a location where its load will be removed or to an impound facility.