S.C. Code Ann. § 7-13-611
Arrangement of official county and state primary ballots.
The arrangement of each "Official County Ballot" for each primary, containing the names of candidates for office, must conform as nearly as practicable to the following plan and contain specified instructions and no others: Each "Official State Ballot" similarly must conform to the plan set forth in this section. The State Election Commission is hereby empowered to promulgate such rules and regulations under Chapter 23 of Title 1 as are necessary for the arrangement of the official county ballot.