S.C. Code Ann. § 58-23-1260: Driver identification card shall be posted in taxi and copy furnished to police.

The owner of any such taxi shall display in plain view of anyone entering such vehicle a card of such size and design as may be designated by the governing body of the county which shall be signed by the owner of the vehicle and shall state the name, address, sex, color and age of the driver operating the vehicle and a photograph of the driver shall be affixed to such card. A copy of such card with the photograph shall be furnished to the chief of police of such county for the files of the police department. Copies of such card, in duplicate, as above set out shall be provided for each person who may be assigned to the driving of the taxi and the card of the respective driver shall always be displayed in the taxi as above provided.