No junk yards or premises used for storage of junked motor vehicles incapable of normal operation shall be permitted within the City. It shall be deemed prima-facie evidence of violation of this chapter, if more than one (1) motor vehicle in a residential zone and more than two (2) motor vehicles in a nonresidential zone incapable of operation are located at any one time upon any premises not within a closed and roofed building excepting, however, that a number of not exceeding five (5) motor vehicles may be located upon any service station or garage premises outside of a closed or roofed building, for a period of time not to exceed forty-eight (48) hours and providing that the motor vehicles are awaiting repair by the owners thereof. Cars without valid registration shall be considered junk cars and in violation of this chapter, excluding motor vehicles stored, unclaimed or abandoned at a garage owner's premises and that have been towed to the premises by orders or requests of the Linden Police Department, another governmental agency or authority which was involved in an accident, abandoned, stolen or similar reasons shall be exempt from the above provision for a period of thirty (30) days of such time necessary for disposition as required by law.[1]