S.C. Code § 11-7-35
In order to carry out his duties, the State Auditor and his assistants or designees must have access to all records and facilities of every state agency during normal operating hours. The State Auditor and his assistants or designees shall have access to all relevant records and facilities of a private organization receiving appropriated state monies, relating to the management and expenditures of these state monies, during the organization's normal operating hours. In the performance of his official duties, the State Auditor and his assistants or designees are subject to the statutory provisions and penalties regarding the confidentiality of records of the agency or organization under review. All audit working papers and memoranda of the State Auditor, except final audit reports, are confidential and not subject to public disclosure.
S.C. Code § 11-7-35