S.C. Code Ann. § 11-3-140

Notwithstanding any other provisions of law to the contrary, the Comptroller General, after the installation of an electronic data processing system to serve the offices of Comptroller General and State Treasurer, shall present warrants for the payment of each State obligation directly to the State Treasurer, who shall then make payment of the obligation by check. The check form used by the State Treasurer for the payment of such obligation shall be so designated to indicate that payment is made upon authorization of a warrant of the Comptroller General.