S.C. Code Ann. § 6-23-130: Issuance of bonds authorized.

A joint agency may issue bonds pledging to the payment thereof as to both principal and interest the revenues, or any portion thereof, derived or to be derived from all or any of its projects, and any additions and betterments thereto or extensions thereof, or contributions or advances from its members. Bonds of a joint agency shall be authorized by resolution adopted by its board of directors.