S.C. Code Ann. § 63-7-330: Confidentiality of information.

(A) The identity of the person making a report pursuant to this section must be kept confidential by the agency or department receiving the report and must not be disclosed except as provided for in subsection (B) or (C) or as otherwise provided for in this chapter.

(B) When the department refers a report to a law enforcement agency for a criminal investigation, the department must inform the law enforcement agency of the identity of the person who reported the child abuse or neglect. The identity of the reporter must only be used by the law enforcement agency to further the criminal investigation arising from the report, and the agency must not disclose the reporter's identity to any person other than an employee of the agency who is involved in the criminal investigation arising from the report. If the reporter testifies in a criminal proceeding arising from the report, it must not be disclosed that the reporter made the report.

(C) When a law enforcement agency refers a report to the department for an investigation or other response, the law enforcement agency must inform the department of the identity of the person who reported the child abuse or neglect. The department must not disclose the identity of the reporter to any person except as authorized by Section 63-7-1990.