70 ILCS 3715/11
Any ordinance or resolution authorizing the issuance of revenue bonds as provided in this Act shall describe in a general way the contemplated project, but it shall not be necessary to refer to plans and specifications prepared for any construction work and such ordinance or resolution may be passed prior to the preparation of plans or specifications for construction work to be done.
Such ordinance or resolution 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 authority 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 3715/11