S.C. Code Ann. § 41-17-20
When the Commissioner or his agents shall fail to induce both sides of such an industrial dispute or strike or lockout to arrive at an agreement, the Commissioner may appoint a committee of three as follows: One from capital, one from labor and one at large. The Commissioner shall be ex officio chairman of such committee. The duties of the committee shall be the same as those prescribed for the Commissioner in Section 41-17-10.