Lambda Legal, in partnership with South Carolina Equality, filed a federal lawsuit in the United States District Court of South Carolina arguing that South Carolina is obligated to allow same-sex couples to marry. Governor Haley and Attorney General Wilson vowed to continue to apply the laws banning marriage for same-sex couples even after the U.S. Supreme Court let stand the ruling by the Fourth Circuit Court of Appeals striking down a similar ban in Virginia. Because South Carolina is also within the jurisdiction of the Fourth Circuit, the decision in the Virginia case is binding on South Carolina.
https://www.lambdalegal.org/in-court/cases/condon-v-haley