S.C. Code § 44-7-1520
Every loan agreement shall contain a covenant obligating the hospital agency or public agency to effect the completion of the hospital facilities if the proceeds of the bonds prove insufficient, and each such loan agreement shall obligate the hospital agency or public agency to make payments which shall be sufficient (a) to pay the principal of and interest on the bonds issued for such hospital facilities, (b) to build up and maintain any reserves deemed by the county board to be advisable in connection therewith, and (c) to pay the costs of maintaining the hospital facilities in good repair and the cost of keeping it properly insured. The loan agreement may provide for the issuance of additional parity bonds as required in order to complete the hospital facility.
S.C. Code § 44-7-1520