S.C. Code Ann. § 43-5-10: Implementation and administration of public welfare program; regulations.

The Department of Social Services shall be responsible for maintaining uniformity in the administration of public welfare throughout the State. The director shall be the only person authorized to determine and implement the policies of the department. The department shall issue regulations pursuant to Sections 1-23-10, et seq., whenever changes in federal laws and regulations supersede existing state statutes. In adopting regulations the department shall strive for clarity of language which may be readily understood by those administering aid and by those who apply for or receive aid.