50 ILCS 455/5
The exercise of all powers granted by this Act may be authorized, and bonds may be authorized to be issued under this Act for the purposes set forth in this Act, by resolution or ordinance of the governing body of the authority which may be adopted at the same meeting at which it is introduced and shall take effect immediately upon adoption.
The bonds shall bear interest at such rate or rates, payable at such times, may be in one or more series, may bear such date or dates, may mature at such time or times not exceeding 40 years from their respective dates, may be payable in such medium of payment at such place or places, may carry such registration privileges, may be subject to such terms of redemption at such premiums, may be executed in such manner, may contain such terms, covenants and conditions, and may be in such form, either coupon or registered, as such resolution or ordinance may provide or as may be subsequently determined by the governing body before the bonds are issued. The bonds may be sold at public or private sale in such manner and upon such terms as may be deemed advisable by the governing body of the authority. Pending the preparation of the definitive bonds, interim receipts or certificates in such form and with such provisions as the governing body of the authority may determine, may be issued to the purchaser or purchasers of bonds sold pursuant to this Act. The bonds and interim receipts or certificates shall be deemed to be securities and negotiable instruments within the meaning and for all purposes of the "Uniform Commercial Code".
50 ILCS 455/5