S.C. Code Ann. § 40-18-60
(A) An employer who utilizes a person who is armed, uniformed, or has been delegated arrest authority for work on the employer's premises in connection with the affairs of the employer must make application to SLED for a proprietary security business license and pay an annual license fee, set by SLED regulation.
(B) SLED may grant a license to a person who:
(J) A person is exempt from the provisions of this section if: