It shall be unlawful for a person who holds a retail beer and wine permit or a retail beer permit to sell to any other holder of a retail beer and wine permit or retail beer permit for the purpose of resale of beer and/or wine.
Every holder of a valid wholesale beer and wine permit shall service every holder of a valid retail beer, or beer and wine permit, with store-door delivery on at least a weekly basis within the territory designated by the producer. The violation of this regulation shall result in the suspension or revocation of the wholesale beer and wine permit, or a monetary penalty in lieu thereof.
S.C. Code Regs. § 7-702.4