S.C. Code Ann. § 39-41-330: Sale of oil specially designated from container not containing trademark or trade name.

It shall be unlawful for any person to fill any order from a consumer for a lubricating oil for internal combustion engines of automobiles, autotrucks or tractors that is designated by a trademark or distinctive trade name unless, at the time of sale, the oil is poured, drawn or taken for delivery from a can, drum or other container or bottle rack marked in such a manner as to be legible and clearly visible to the purchaser with the trademark or distinctive trade name by which the oil is designated.