S.C. Code Ann. § 11-35-2720
The chief procurement officers shall prepare or review, issue, revise, and maintain the specifications for supplies, services, and construction required by the State, except for supplies, services, and construction items procured by the governmental bodies pursuant to Sections 11-35-1550, 11-35-1570, and 11-35-3230, the specification for which shall be prepared and maintained by the using agencies in accordance with the provisions of this article and regulations promulgated hereunder and monitored periodically by the chief procurement officers.