A. Permission granted to stop or stand a vehicle for the purposes of loading or unloading of materials shall apply only to commercial vehicles and shall not extend beyond the time necessary therefore, and in no event for more than twenty (20) minutes.
B. The loading or unloading of materials shall apply only to commercial deliveries, also the delivery or pick-up of express and parcel post packages and United States mail.
C. Permission granted to stop or park for purposes of loading or unloading passengers shall include the loading or unloading of personal baggage, but shall not extend beyond the time necessary therefore, and in no event for more than three minutes.
D. Within the total time limits above specified, the provisions of this section shall be enforced so as to accommodate necessary and reasonable loading or unloading but without permitting abuse of the privileges granted. (Prior code § 3011(c))