Should the owner or operator of a taxi permit the taxi to be operated without such license affixed as required by § 58-23-1210 or by any person not duly qualified as provided in this article or should such owner or operator permit such taxi to be used for any purpose other than that of a public conveyance, the chief of police of such county may with the approval of the governing body of such county revoke the license of such taxi and require the surrender of the license card or plate.