(a) No owner or other person having possession or control of a taxicab shall operate the same upon the streets unless such vehicle has an unexpired seal of inspection indicating that the taxicab has been duly inspected and found to be safe and roadworthy within the preceding six months.
(b) If any such taxicab is damaged by reason of a collision, or from any other cause, no owner or other person having possession or control thereof shall operate the same upon the streets unless such vehicle has been tested and approved by the State Highway Patrol or the Police Division of the Municipality within twenty-four hours after such vehicle has been returned to service.
(c) A violation of any of the provisions of this section shall constitute grounds for revocation of the taxicab license.