S.C. Code Ann. § 59-123-300: Sale of bonds.

The bonds shall be disposed of in such manner as the trustees shall determine, except that no sale, privately negotiated without public advertisement, shall be made unless the approval of the State Fiscal Accountability Authority shall be obtained. If the trustees shall elect to sell the bonds at public sale, at least one advertisement thereof shall appear in some newspaper of general circulation in South Carolina not less than ten days prior to the occasion fixed for the opening of bids.