S.C. Code Ann. § 11-1-110
The State Budget and Control Board is authorized to issue and sell bonds, notes, or other obligations for the purpose of acquiring facilities for the use and occupancy of state departments and agencies, provided that these obligations must be payable solely from revenues derived from the leasing or sale of the facilities acquired with the proceeds of the sale of these obligations and must be secured solely by a pledge of these revenues and, at the option of the State Budget and Control Board, a mortgage of these facilities; provided, further, that the issuance and the sale of the bonds, notes, or other obligations provided for in this section are subject to the review of the Joint Bond Review Committee.