The South Carolina Republican Party has filed a federal lawsuit seeking to end the state's open primary system and limit participation in Republican primaries to registered party members.
According to the report, the lawsuit argues that requiring the party to allow non-Republicans to vote in its primary elections violates its First Amendment right to freedom of association.
The report said party leaders turned to the courts after years of unsuccessful efforts to persuade the state legislature to adopt partisan voter registration.
According to the report, the lawsuit names the South Carolina State Election Commission, its Executive Director Conway Belangia, and commission members as defendants. Belangia declined to comment because of the pending litigation.
The report noted that the legal challenge reflects similar efforts by Republican organizations in states including Texas and Idaho to move away from open primary elections.
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SC Republicans sue state to end open primary electionshttps://t.co/tv5aEiOilv
— The Hill (@thehill) July 10, 2026
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