The exercise of any or all powers granted by this Division shall be authorized and the bonds shall be authorized to be issued under this Division for the purposes set forth in this Act, by an ordinance adopted by the corporate authorities of a municipality which shall take effect immediately upon adoption. Any such ordinance shall set forth a finding and declaration (i) of the public purpose therefor and (ii) that such ordinance is adopted pursuant to this Division, which finding and declaration shall be conclusive evidence of the existence and sufficiency of the public purpose and of the power to carry out and give effect to such public purposes.
     The bonds shall bear interest at such rate or rates (subject only to the limitations set forth in paragraph (a) of Section 11-74.5-4 and without regard to any other law pertaining to interest rate limitations), may be payable at such time or 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 the corporate authorities shall provide. The bonds may be sold at public or private sale at such price, in such manner and upon such terms as the corporate authorities may determine. Pending the preparation of definitive bonds and in anticipation thereof, interim notes, in such form and with such provisions as may be authorized by the corporate authorities, may be issued to the purchaser or purchasers of bonds sold pursuant to this Division. The bonds and interim notes shall be deemed to be securities and negotiable instruments within the meaning and for all purposes of the Uniform Commercial Code.