373.18 DEFACING SERIAL OR REGISTRATION NUMBERS.
   (a)    No person shall willfully, maliciously or fraudulently remove, destroy, mutilate, alter or change the number on any bicycle or motorized bicycle frame, nor shall any person remove, destroy, mutilate, alter or change any license tag or registration card during the time such license tag or registration card is operative.
   (b)    If any bicycle or motorized bicycle does not have a serial number stamped on the frame or if such number is illegible, the Division of Police shall stamp an identification number on the frame. (Ord. 79-182. Passed 6-5-79.)
   (c)   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.