S.C. Code § 63-17-850
When necessary in the discharge of the duties of the department to establish, modify, or enforce a child support order, the department may issue an administrative subpoena or subpoena duces tecum to a state, county, or local agency, board or commission, or to any private entity or individual or to any representative of a state, county, or local agency, board or commission, or private entity to compel the production of documents, books, papers, correspondence, memoranda, and other records relevant to the discharge of the department's duties. The department may assess a civil fine of one hundred dollars per occurrence for failure to obey a subpoena or subpoena duces tecum issued pursuant to this section, in addition to any other remedies as permitted by law. A subpoena or subpoena duces tecum issued under this section may be enforced pursuant to Section 63-3-530.
S.C. Code § 63-17-850