(a)   If any bicycle is found on a public street without a license tag, or with a mutilated or altered serial number, or no serial number stamped on the frame, it shall be prima facie evidence that the bicycle is being operated without proper registration and it shall be subject to immediate seizure and impounding by any police officer.  The Police Division shall retain possession until proof of ownership is established and the provisions of this chapter are complied with.
   (b)   Impounding shall not preclude the imposition of any penalty provided for a violation of this chapter.
(1980 Code 75.25)