No more than (1) motor vehicle or motor drawn vehicle with a commercial, bus or omnibus motor vehicle registration, having a rated maximum gross vehicle weight (GVW) of 10,000 pounds or less and which is owned or used by a resident of the premises shall be parked or stored overnight on any property in any residential zone or district or any property which is primarily used for residential purposes except vehicles engaged in construction and which comply with the permit provisions of paragraph j,1 above. Any vehicle permitted to be parked or stored pursuant to this paragraph other than vehicles engaged in construction shall, where conditions permit, be parked in a rear or side yard area, which area is relatively unexposed to neighboring properties. Passenger automobiles for use by residents of the premises with commercial motor vehicle registration shall be exempt from the provisions of this paragraph j, 2.