A duplicate copy of the summons, petition, and order shall be served on the person who is employed and his employer, who shall both be designated respondents. Each shall have twenty days in which to answer or otherwise plead.
Service of summons, petition and order on employee and employer; answers
S.C. Code Ann. § 43-7-230, under Title 43, Chapter 7.
S.C. Code Ann. § 43-7-230