S.C. Const. art. VIII, § 8

Incorporation of new municipalities; readjustment of municipal boundaries; merger of municipalities; special laws prohibited. The General Assembly shall provide by general law the criteria and the procedures for the incorporation of new municipalities and for the readjustment of municipal boundaries and for the merger of incorporated municipalities provided that any city or town shall be organized with the consent of a majority of the electors voting in such election who reside in and are entitled by law to vote within the district proposed to be incorporated. No local or special laws shall be enacted for these purposes; provided, that the General Assembly may vary such provisions among the alternative forms of government. (1972 (57) 3184; 1973 (58) 67.)