S.C. Code § 7-17-580
In every political primary election held by any political party, organization or association in any of the cities or towns of this State for the purpose of choosing candidates for offices therein or the election of delegates to conventions thereof, the decision of any protest or contest that may arise shall be subject to appeal to the Board of State Canvassers of Municipal Primaries of this State herein provided for, and upon such appeal it shall be the duty of the committee or canvassing officers from whose decision such appeal may be made to transmit to said Board any protest and all papers relating to the election, with a copy of any evidence taken before them within ten days from their first meeting to canvass the returns of managers of such election.
S.C. Code § 7-17-580