S.C. Code Ann. Regs. 5-217 – Eggs Must be Designated.

(a) All eggs offered for sale as designated in Section 39-39-150, S.C. Code, 1976, shall be graded as to weight and standards.
(b) Therefore no eggs will be sold at wholesale or retail outlet below U.S. Consumer Grade B.
(c) To establish origin: South Carolina egg producers shall furnish the wholesaler or retailer with a customary delivery invoice.
(d) Egg producers or transporters of eggs from out-of-state producers delivering to producers, wholesalers or retailers in South Carolina shall identify their deliveries by an invoice and an end case label as prescribed in 5-226.