No person, corporation or firm in the business of selling and/or repairing bicycles shall sell, repair, dispose of or transfer the ownership of any bicycle without keeping a written record of the seller, purchasers, make, manufacturer’s serial number and type or model thereof. Such record shall be kept for a period of three years and shall be available to the Chief of Police upon request. (Ord. 73-68. Passed 7-16-73.)