S.C. Code § 43-1-90
The State Department shall supervise the administration of assistance under Chapters 1, 3, 5, 7, 9, 19 and 23. The State Department shall prescribe the form of and print and supply to county departments blanks of applications, reports, affidavits and such other forms as it may deem advisable. The State Department shall make rules and regulations necessary for the carrying out of the provisions of Chapters 1, 3, 5, 7, 9, 19 and 23 to the end that assistance be administered uniformly throughout the State, having regard to the varying conditions in different parts of the State, and that the spirit and purpose of Chapters 1, 3, 5, 7, 9, 19 and 23 may be complied with. All such rules and regulations made by the State Department shall be binding upon the county departments and shall be complied with by them.
S.C. Code § 43-1-90