S.C. Code Ann. § 46-19-40: Supervision and assistance of department.

The work of local marketing authorities shall be supervised by the department, and all local marketing authorities shall be entitled to the inspection, grading, buying and selling services of the department, as well as to all possible assistance in crop, land and soil selection, crop planting, fertilization, cultivation, harvesting and packing services and methods of financing. Provided, that no service presently being furnished by any other State agency shall be duplicated.