S.C. Code Ann. § 22-2-50: Preparation of jury lists.

In October of each year, the State Election Commission must provide to the chief magistrate for administration of each county, at no cost, a jury list compiled in accordance with the provisions of Section 14-7-130. The chief magistrate for administration of the county must use these lists in preparing, for each jury area, a list of the qualified electors in these jury areas, and must forward these lists to the respective magistrates.