S.C. Code Ann. § 34-1-140

A political subdivision of this State may not enact or enforce any ordinance, resolution, or rule regulating the financial or lending activities of a person or a subsidiary or affiliate of that person, including disqualification of a person from doing business with the political subdivision based upon lending interest rates or imposition of reporting requirements or other obligations upon a person regarding its financial services or lending practices, if that person or a subsidiary or an affiliate of that person: (1) is subject to the jurisdiction of the State Board of Financial Institutions; (2) is subject to the jurisdiction of the Office of Thrift Supervision, the Office of the Comptroller of the Currency, the National Credit Union Administration, the Federal Deposit Insurance Corporation, the Federal Trade Commission, or the United States Department of Housing and Urban Development; (3) originates, purchases, sells, or assigns securities, services, property interests, or obligations created by a financial transaction or loan made, executed, or originated to assist or facilitate the transaction by a person referred to in item (1) or (2); or (4) sells or markets banking, insurance, securities, or commodities services provided by an institution or entity defined in or required to comply with the Federal Gramm-Leach-Bliley Financial Modernization Act, 113 Stat. 1338.