Section 110 ILCS 710/4 - Issuance of Bonds(A) The Board shall have power, and is hereby authorized from time to time, to issue negotiable bonds (i) to acquire any one project, or more than one, or any combination thereof, for each such University, or (ii) to refund bonds heretofore and hereafter issued as hereinafter provided for, or (iii) for either or both of said purposes. The bonds shall be authorized by resolution of the Board. The bonds may be issued in one or more series, may bear such date or dates, may be in such denomination or denominations, may mature at such time or times not exceeding forty years from the respective dates thereof, may mature in such amount or amounts, may bear interest at such rate or rates not exceeding the greater of (i) the maximum rate authorized by the Bond Authorization Act, as amended at the time of the making of the contract, or (ii) 8% per annum for bonds issued before January 1, 1972 and not exceeding the maximum rate authorized by the Bond Authorization Act, as amended at the time of the making of the contract, for bonds issued after January 1, 1972, payable semi-annually, may be in such form either coupon or registered as to principal only or as to both principal and interest, may carry such registration privileges (including the conversion of a fully registered bond to a coupon bond or bonds and the conversion of a coupon bond to a fully registered bond), may be executed in such manner by the chairman and secretary, may be made payable in such medium of payment, at such place or places within or without the state, may be subject to such terms of redemption prior to their expressed maturity, with or without premium, as such resolution or other resolutions may provide. All bonds issued under this Act except refunding bonds as hereinafter provided for, shall be sold in such manner as the Board may deem best in the public interest; provided that such bonds shall be sold at such price that the interest cost of the proceeds therefrom will not exceed the greater of (i) the maximum rate authorized by the Bond Authorization Act, as amended at the time of the making of the contract, or (ii) 8% per annum for bonds issued before January 1, 1972 or the maximum rate authorized by the Bond Authorization Act, as amended at the time of the making of the contract, for bonds issued after January 1, 1972, based on the average maturity of such bonds and computed according to standard tables of bond values. Such resolution may provide that one of the officers of the Board shall sign such bonds manually and that the other signatures may be printed, lithographed or engraved thereon. The coupon bonds shall be fully negotiable within the meaning of the Uniform Commercial Code, approved July 31, 1961, effective July 1, 1962, as amended.(B) The Board shall have power, and is hereby authorized from time to time, to issue negotiable refunding bonds (a) to refund unpaid matured bonds; (b) to refund unpaid matured coupons evidencing interest upon its unpaid matured bonds; and (c) to refund interest at the coupon rate upon its unpaid matured bonds that has accrued since the maturity of those bonds. Said refunding bonds may be exchanged for the bonds to be refunded on a par for par basis of the bonds, interest coupons and interest not represented by coupons, if any, or may be sold at not less than par, or may be exchanged in part and sold in part, and the proceeds received at any such sale shall be used to pay the bonds, interest coupons and interest not represented by coupons, if any. Bonds and interest coupons which have been received in exchange or paid shall be cancelled and the obligation for interest, not represented by coupons, which has been discharged, shall be evidenced by a written acknowledgment of the exchange or payment thereof.(C) The Board shall have power, and is hereby authorized from time to time, to also issue negotiable refunding bonds hereunder, to refund bonds at or prior to their maturity or which by their terms are subject to redemption before maturity, or both, in an amount necessary to refund (a) the principal amount of the bonds to be refunded, (b) the interest to accrue up to and including the maturity date or dates, or to the next succeeding redemption date, thereof, and (c) the applicable redemption premiums, if any. Said refunding bonds may be exchanged for not less than an equal principal amount of bonds to be refunded or may be sold at not less than par, or may be exchanged in part and sold in part. All proceeds received at the sale thereof (excepting the accrued interest received) shall be used: (i) if the bonds to be refunded are then due, for the payment thereof;(ii) if the bonds to be refunded are voluntarily surrendered with the consent of the holder or holders thereof, for the payment thereof;(iii) if the bonds to be refunded are then subject to prior redemption by their terms, for the redemption thereof;(iv) if the bonds to be refunded are not then subject to payment or redemption, to purchase direct obligations of the United States of America so long as such obligations will mature at such time or times, with interest thereon or the proceeds received therefrom, to provide funds adequate to pay when due or called for redemption prior to maturity the bonds to be refunded, together with the interest accrued thereon and any redemption premium due thereon, and such proceeds or obligations of the United States of America shall, with all other funds legally available for such purpose, be deposited in escrow with a banking corporation, or national banking association, located in and doing business in the State of Illinois, with power to accept and execute trusts, or any successor thereto, which is also a member of the Federal Deposit Insurance Corporation and of the Federal Reserve System, to be held in an irrevocable trust solely for and until the payment and redemption of the bonds so to be refunded, and any balance remaining in said escrow after the payment and retirement of the bonds to be refunded shall be returned to said Board to be used and held for use as revenues pledged for the payment of said refunding bonds; or (v) for any combination thereof.With respect to instruments for the payment of money issued under this Section either before, on, or after the effective date of this amendatory Act of 1989, it is and always has been the intention of the General Assembly (i) that the Omnibus Bond Acts are and always have been supplementary grants of power to issue instruments in accordance with the Omnibus Bond Acts, regardless of any provision of this Act that may appear to be or to have been more restrictive than those Acts, (ii) that the provisions of this Section are not a limitation on the supplementary authority granted by the Omnibus Bond Acts, and (iii) that instruments issued under this Section within the supplementary authority granted by the Omnibus Bond Acts are not invalid because of any provision of this Act that may appear to be or to have been more restrictive than those Acts.