(A) No semitrailer or truck shall be parked in any residential area at any time. Such vehicles are not permitted to park in any metered zone between the hours of 6:00 p.m. and 8:00 a.m. of the following morning.
(B) Division (A) above shall not apply to commercial vehicles on regular delivery or service calls or to dual purpose passenger commercial cars, such as station wagons, sedan delivery, parcel delivery, or panel delivery vehicles.
Penalty, see § 70.99