S.C. Code Ann. § 14-23-60: Clerk of court shall act until vacancy filled.

In case of any such vacancy the clerk of the circuit court of the county shall take charge of the office and all papers therein, discharge the same duties, receive the same fees and be subject to the same liabilities as by law provided for a judge of probate, until such vacancy shall be filled by appointment of the Governor or by an election, as the case may be.