S.C. Code Ann. § 61-6-4700: Consumption of alcoholic liquor on premises.

It is unlawful for a person to drink alcoholic liquors on the premises of a retail, wholesale, or manufacturing alcoholic liquor business or business establishment. A person who violates this section is guilty of a misdemeanor and, upon conviction, must be punished as follows:

(a) for a first offense, by a fine of one hundred dollars or imprisonment for thirty days;

(b) for a second offense, by a fine of two hundred dollars or imprisonment for sixty days; and

(c) for a third or subsequent offense, by a fine of three hundred dollars or imprisonment for ninety days.