S.C. Code Ann. § 61-6-4060
It is unlawful for a person to store or have in possession alcoholic liquors in his place of business other than a licensed liquor store. A place of business includes:
(3) Outbuildings, warehouses, and garages when adjacent to or used in connection with a place of business where goods, wares, or merchandise are sold, offered for sale, or distributed.
A person who violates this section is guilty of a misdemeanor and, upon conviction, must be punished as follows: