S.C. Code Ann. § 39-39-122: Maintenance of records and invoices; egg purchases and sales; facility inspections.

Wholesalers, distributors, and retailers shall maintain records and invoices of their egg purchases for a period of at least ninety days. These records and invoices must show the person or firm to whom the sale was made, the address of the person or firm, and the kind and quantity of eggs involved in the sale, except that this section does not require the filing of a copy of the invoice of a sale to a consumer. The commissioner or his authorized representative may enter, during regular business hours, the place of any producer, wholesaler, retailer, retail establishment, institution, institutional user, warehouse, cold storage house, or other storage places, trucks, or carriers where eggs are stored and inspected.