S.C. Code Ann. § 46-41-25

The provisions of Section 46-41-30 shall not apply to any South Carolina miller who receives and purchases grains from producers on a cash on delivery basis only and pays by check or draft and post conspicuously in his place of business a notice to the producer that the miller is (a) not a licensed dealer; (b) not bonded as a licensed dealer; (c) does not collect assessments for, nor offer the protection of the South Carolina Grain Producers Guaranty Fund, and gives the same notice in writing to the producer prior to receipt and purchase of each lot of grain, and registers with the Commissioner an affidavit of this fact which shall be renewed on an annual basis.