(a) The principal of, premium, if any, or interest on, and trustee's and paying agent's fees in connection with each issue of bonds issued by the industrial development authority under this chapter shall be secured by a pledge of, and shall be payable from, the revenues derived from the lands, buildings, or facilities acquired, constructed, reconstructed, extended, improved, or equipped, in whole or in part, with the proceeds of the bonds of the particular issue.
(b) In addition, the industrial development authority issuing the bonds may pledge to, and use for the payment of the principal of, premium, if any, or interest on, and trustee's and paying agent's fees in connection with a particular issue of bonds, revenues derived from other lands, buildings, or facilities owned or held by the industrial development authority, and an investment contract or contracts entered into by the industrial development authority for the purpose of paying and securing the bonds, and any revenues to be derived from the contract or contracts.