No person shall willfully or maliciously remove, destroy, mutilate or alter the number of any bicycle frame licensed pursuant to this chapter. No person shall remove, destroy, mutilate or alter any license tag or registration certificate during the time in which such license tag or registration certificate is operative; provided, however, that nothing in this section shall prohibit the city from stamping numbers on the frames of bicycles on which no serial number can be found, or on which the number is illegible or insufficient for identification purposes.
(Prior Code, § 19-1102)