S.C. Code Ann. § 41-27-560
No report, communication or any other such matter either oral or written from an employee or employer to the other or to the Commission or any of its agents, representatives or employees which shall have been written, sent, delivered or made in connection with the requirements and the administration of Chapters 27 through 41 of this Title shall be made the subject matter or basis of any suit for slander or libel in any court of the State.