S.C. Code Ann. § 23-27-70

No person shall be commissioned as a deputy sheriff under the provisions of this chapter until he shall have furnished sufficient bond with surety, to be approved by the sheriff and filed as other such bonds are filed, for the faithful performance of his duties as special deputy sheriff, the cost of such bond to be paid by the district. There shall be no liability upon the sheriff or his bond for any act of any deputy commissioned under the provisions of this chapter.