S.C. Code Ann. § 6-23-220

A joint agency is hereby authorized to provide by resolution for the issuance of refunding bonds of the joint agency for the purpose of refunding any bonds then outstanding which shall have been issued under the provisions of this chapter, including the payment of any redemption premium thereon and any interest accrued or to accrue to the date of redemption of such bonds. The issuance of such bonds, the maturities and other details thereof, the rights of the holders thereof, and the rights, duties and obligations of the joint agency in respect to the same shall be governed by the provisions of this chapter which relate to the issuance of bonds, insofar as such provisions may be appropriate therefor.