A manufacturer of motor vehicles, trailers or semitrailers may operate or move the vehicles for a distance of seventy-five miles and a dealer in new motor vehicles, trailers or semitrailers may operate or move the vehicles for a distance of fifty miles, or a further distance authorized by the department, to or from the factory where the vehicles are manufactured or a railway depot, vessel, place of shipment or delivery or salesroom without registering them and without license plates attached if both:
1. A written permit is first obtained from the department or local authority with jurisdiction over the highway traversed.
2. A placard bearing the name and address of the manufacturer authorizing or directing the movement is prominently displayed on each vehicle and is plainly readable from a distance of one hundred feet during daylight.