S.C. Code Ann. § 9-16-40: Standards for discharge of duty.

A trustee, commission member, or other fiduciary shall discharge duties with respect to a retirement system:

(1) solely in the interest of the retirement systems, participants, and beneficiaries;

(2) for the exclusive purpose of providing benefits to participants and beneficiaries and paying reasonable expenses of administering the system;

(3) with the care, skill, and caution under the circumstances then prevailing which a prudent person acting in a like capacity and familiar with those matters would use in the conduct of an activity of like character and purpose;

(4) impartially, taking into account any differing interests of participants and beneficiaries;

(5) incurring only costs that are appropriate and reasonable; and

(6) in accordance with a good faith interpretation of this chapter.