S.C. Code Ann. § 8-13-735
No person who serves at the same time on:
(2) as an employee of the same board or commission or serves in a position which is subject to the control of that board or commission may make or participate in making a decision which affects his economic interests.
ETHICS COMMISSION OPINIONS
1. In General
Public employee is not prohibited by Ethics Reform Act from running for and holding elective office. However, employee would be advised to follow procedures of Section 8-13-700(B) if required to take action in one position which affects her service in the other position. Op S.C. St. Ethics Comm., SEC AO92-137, March 25, 1992.