S.C. Code Ann. § 38-71-970: Insurer rating and renewal records; filing of certification; confidentiality.

(A) A small employer insurer shall maintain at its principal place of business a complete and detailed description of its rating practices and renewal underwriting practices, including information and documentation which demonstrate that its rating methods and practices are based upon commonly accepted actuarial assumptions and are in accordance with sound actuarial principles.

(B) Each small employer insurer shall file each March first with the department an actuarial certification certifying that the insurer is in compliance with this section and that the rating methods of the insurer are actuarially sound. A copy of the certification must be retained by the insurer at its principal place of business.

(C) A small employer insurer shall make the information and documentation described in subsection (A) available to the director or his designee upon request. The information must be considered proprietary and trade secret information and is not subject to disclosure by the director or his designee to persons outside of the department except as agreed to by the insurer or as ordered by a court of competent jurisdiction.