S.C. Code Ann. § 11-49-90: Power to incur debt.

The authority and the board have no power to incur debt or obligations or in any way to encumber their assets except by the issuance of bonds, including the making of covenants in relation to the issuing of bonds and notes in anticipation of the issuance of the bonds, and the incurring of expenses and obligations as authorized in Section 11-49-60.