S.C. Code Ann. § 61-4-735
(D) A producer, winery, vintner, and importer of wine are declared to be in business on one tier, a wholesaler on another tier, and a retailer on another tier. For the purpose of this section, a manufacturer or producer of wine is declared to be a tier one business, a wholesaler or an importer owned solely by a wholesaler is declared to be a tier two business, and a retailer is declared to be a tier three business. Except as provided in Sections 61-4-720 and 61-4-730, a person or entity in the wine business on one tier or a person acting directly or indirectly on his behalf may not have ownership or financial interest in a wine business operation on another tier. This limitation does not apply to the interest held on July 1, 1993, by the holder of a wholesale permit in a business operated by the holder of a retail permit at premises other than where the wholesale business is operated. For purposes of this subsection, ownership or financial interest does not include the ownership of less than one percent of the stock in a corporation with a class of voting shares registered with the Securities and Exchange Commission or other federal agency under Section 12 of the Securities and Exchange Act of 1934, as amended, or a consulting agreement under which the consultant has no control over business decisions and whose compensation is unrelated to the profits of the business. Notwithstanding this prohibition or the prohibition contained in Section 61-4-940(D), a manufacturer or importer of beer or wine may own in whole or in part a business that holds an on-premises retail beer and wine permit provided that: