S.C. Code Ann. § 8-13-730

Unless otherwise provided by law, no person may serve as a member of a governmental regulatory agency that regulates any business with which that person is associated. An employee of the regulatory agency which regulates a business with which he is associated annually shall file a statement of economic interests notwithstanding the provisions of Section 8-13-1110. No person may be an employee of the regulatory agency which regulates a business with which he is associated if this relationship creates a continuing or frequent conflict with the performance of his official responsibilities.