(A) It shall be the duty of any person conducting a licensed business in the municipality to keep his license in a prominent place on the premises, machine or vehicle used for such business at all times.
(B) No person shall destroy, obliterate, take, remove or carry away without the consent of the owner any license, certificate, plate or sticker which has been issued by the municipality except that such license, certificate, plate or sticker has been discontinued or the licensed premises have been abandoned. Nothing herein shall prevent the mayor or his duly authorized representative from removing any license, certificate, plate or sticker from the possession of a former licensee, his premises, any vehicle or any machine when said license has been revoked under the provisions of this code. (1978 Code)