S.C. Code Ann. § 40-18-80
(A) Persons performing the duties of security officers must also obtain valid security officer registration certificates. Except as provided in Section 40-18-90, a licensee may not authorize a person to perform the duties of a security officer unless that person holds a valid security officer registration certificate or has applied for a security officer registration certificate and meets the requirements of Section 40-18-80(A)(2). A contract or proprietary security business licensee must verify that each security officer immediately upon hiring possesses a valid security officer registration certificate or has applied for one. The licensee may apply and pay the fee for the security officer registration certificate or may require the person to be employed as a security officer to apply and pay the fee. For purposes of the penalties provisions of this chapter, the licensee and the person to be employed as a security officer are both responsible for ensuring that the person performing duties of a security officer is registered or has made application to be registered.
(4) SLED may issue or renew a registration certificate to a person who:
(B) Within thirty days of the employment of a person who will perform the functions of a private investigator, a private investigator licensee, or the person to be employed as an investigator must make application to SLED for registration of the person to be employed as a private investigator. After thirty days, a licensee may not authorize a person to perform the duties of a private investigator unless that person holds a valid private investigator registration certificate or has applied for one. The licensee may apply and pay the fee for the private investigator registration certificate or may require the person to be employed as an investigator to apply and pay the fee. For purposes of the penalties provisions of this chapter, the licensee and the person to be employed as an investigator are both responsible for ensuring that the person performing duties of an investigator is registered or has made application to be registered.
(3) SLED may issue a registration certificate to a person who: