S.C. Code Ann. § 50-5-365
(A) A person or entity who:
(2) transports live or fresh fish or any saltwater fishery products, other than a licensed commercial saltwater fisherman transporting his catch to a licensed wholesale seafood dealer;
must have in his possession dated bills of lading, invoices, receipts, bills of sale, or similar documents showing the quantity of each species and type of saltwater fishery product being offered for sale or transported and the name of the licensed commercial saltwater fisherman or licensed wholesale seafood dealer from whom the products were purchased or received.
(C) Without having obtained a valid wholesale seafood dealer license it is unlawful to:
(D) It is unlawful to purchase live or fresh fish or any saltwater products taken or landed in this State at other than retail from a person other than a licensed wholesale seafood dealer, provided: