S.C. Code Ann. § 15-39-150

The sheriff, on the receipt of any money on account of any plaintiff in execution or other person entitled thereto, must within one month give notice in writing of the receipt of such money to such plaintiff or his attorney or other person entitled thereto by personal service or by mail. On failure to do so he shall be liable to pay interest for the money in his hands at the rate of five per cent per month until notice is given.