70 ILCS 3705/17
Any ordinance authorizing the issuance of revenue bonds as provided for in this Act shall describe in a general way the contemplated project. It shall not be necessary that the ordinance refer to plans and specifications nor that there be on file for public inspection prior to the adoption of such ordinance detailed plans and specifications of the project.
Such ordinance shall also set out the total estimated cost of the project, fix the amount of bonds proposed to be issued, the maturity or maturities, the interest rate and all details in respect thereof, and the covenants and undertakings of the district in connection with the application of the income and revenue and the issuance of additional revenue bonds thereafter as may be deemed necessary or advisable for assurance of the payment of the bonds thereby authorized, and as may thereafter be issued.
70 ILCS 3705/17