70 ILCS 15/14
The Authority shall have the power from time to time to issue bonds in anticipation of its income and revenues from any one or more Authority airports, related facilities, perimeter areas, and perimeter area facilities to accomplish any of the purposes of this Act, and to refund such bonds or any bonds assumed or guaranteed pursuant to paragraphs (2) and (3) of subsection (b) of Section 5. Such bonds may be authorized by resolution and may be issued in one or more series, may bear such dates, mature at such time or times not exceeding 40 years from their respective dates, bear interest payable semi-annually, be in such form, be executed in such manner, including the use of facsimile signatures and seals, be payable in such medium of payment, at such places, be subject to such terms of redemption, with or without premium, and may be made registrable as to principal or as to both principal and interest, as the Authority by resolution may provide. Any bonds issued hereunder may be issued in denominations of $100 or any multiple thereof. The Authority may provide for the exchange of any such bonds after issuance for bonds of larger or smaller denominations in such manner as may be provided in the authorizing resolution, provided the bonds in changed denominations shall be exchanged for the original bonds in like aggregate principal amounts and in such manner that no overlapping interest is paid, and such bonds in changed denominations shall bear interest at the same rate or rates, shall mature on the same date or dates, shall be as nearly as practicable in the same form except for an appropriate recital as to the exchange, and shall in all other respects except as to denominations and numbers, be identical with the original bonds surrendered for exchange. Where any exchange is made pursuant to this Section, the bonds surrendered by the holders at the time of exchange shall be cancelled, any such exchange shall be made only at the request of the holders of the bonds to be surrendered, and the Authority may require all expenses incurred in connection with such exchange, including the authorization and issuance of the new bonds, to be paid by such holders. The bonds shall have all the qualities of negotiable paper within the meaning of such term of the Uniform Commercial Code, as now or hereafter amended, except that any bonds issued pursuant hereto shall not be subject to Article 9 of said Code. Pending the preparation or execution of definitive bonds, temporary receipts, certificates or bonds may be delivered to the purchasers or pledgees of these bonds. No holder of any bond issued under this Section shall ever have the right to compel any exercise of the taxing power of the State of Illinois or any political subdivision thereof to pay the bond or the interest thereon. Each bond issued under this Section shall recite in substance that the bond, including the interest thereon, is payable solely from the revenue pledged to the payment thereof or from any bonds issued for the purpose of refunding such bond, and that the bond does not constitute a debt of the Authority or of the State of Illinois within any statutory or constitutional limitation of the State of Illinois.
Such bonds shall be executed by such officers of the Authority as shall be designated by the Authority, and shall be registered by the State Treasurer. Any bonds bearing the signature of officers in office at the date of signing thereof shall be valid and binding for all purposes, notwithstanding that before delivery thereof any or all such persons whose signatures appear thereon shall have ceased to be such officers.
The Authority may provide for the issuance of refunding bonds if the bonds to be refunded are due or callable or redeemable by their terms on or prior to the date that the refunding bonds are issued, or will become due, callable or redeemable by their terms within 12 months after the date of issue of the refunding bonds, or if the bonds to be refunded, even though not becoming due, callable, or redeemable within such period are voluntarily surrendered by the holders thereof for cancellation at the time of the issuance of the refunding bonds. All or part of any issue may be so refunded and all parts of several issues may be refunded into a single issue of refunding bonds. Provision may be made for including with the refunding bonds, as part of a single issue, bonds of the Authority for any other purpose or purposes for which bonds are herein authorized to be issued. Refunding bonds may be exchanged for not less than a like principal amount of the bonds authorized to be refunded, may be sold or may be exchanged in part and sold in part.
70 ILCS 15/14