S.C. Code Ann. § 11-23-30: Authority to apply revenues to payment of bonds.

The governing body of any political subdivision or public body of this State including, but not limited to, those set forth in SECTION 11-23-10, which has issued or may hereafter issue general obligation bonds, the proceeds of which have been or may be used to finance the construction of projects which are or will be revenue producing, may apply the revenues derived from such projects, and not otherwise pledged, to the payment of principal and interest to become due on such bonds.