(a)   The Chief of Police upon issuing a bicycle license shall also issue a license decal bearing the license number assigned to the bicycle and the name of the City.
   (b)   The Chief of Police shall cause such license decal to be firmly attached to the rear mudguard or frame of the bicycle for which issued in such position as to be plainly visible from the rear.
   (c)   No person shall remove a license decal from a bicycle except upon a transfer of ownership or in the event the bicycle is dismantled and no longer operated upon any street in the City.
(1981 Code § 10.76)