S.C. Code Ann. § 29-3-370: Proceedings where rule to show cause issues.

Such judge shall grant such rule, returnable on a day to be fixed by him. The rule shall be served on the mortgagee, his legal representative or assignee or the attorney of any thereof, and if the party so served shall not attend to show cause or, attending, shall show insufficient cause and the judge shall be satisfied that the mortgage has been fully paid he shall order the proper officer to enter satisfaction on the mortgage.