373.18 ATTACHMENT OF LICENSE TAG.
   (a)   Upon the issuance of a license, the licensee shall affix to the bicycle a proper tag to be furnished by the City, which he shall cause to be firmly attached to the rear mud guard or frame of the bicycle in such a position as to be plainly visible from the rear.
   No person shall remove any such tag, except with proper authority or upon transfer of ownership.
(1941 Code, §8-5.)
   (b)   Whoever violates any provision of this section is guilty of a minor misdemeanor on a first offense; on a second offense within one year after the first offense, the person is guilty of a misdemeanor of the fourth degree; on each subsequent offense within one year after the first offense, the person is guilty of a misdemeanor of the third degree.