Section 105 ILCS 5/34-31 - Bond issue to increase fund(a). Where the board has created and is maintaining such a working cash fund for the purposes above mentioned, it may, with the consent of the city council expressed by ordinance, incur an indebtedness for the purpose of increasing such fund and issue bonds therefor from time to time, in an amount or amounts not exceeding in the aggregate $75,000,000, exclusive of all bonded indebtedness authorized for that purpose prior to May 16, 1967, without the submission thereof to the electors of the school district or city for approval.(b). The board may incur an additional indebtedness for the purpose of further increasing such fund and issue additional bonds therefor, from time to time, in an amount or amounts not exceeding in the aggregate $20,000,000, exclusive of all bonded indebtedness authorized for that purpose prior to the effective date of this amendatory Act of 1971, without the submission thereof to the electors of the school district or city for approval.(c). The board may incur an additional indebtedness for the purpose of further increasing such fund and issue additional bonds therefor, from time to time, in an amount or amounts not exceeding in the aggregate $25,000,000, exclusive of all bonded indebtedness authorized for that purpose prior to the effective date of this amendatory Act of 1973, without the submission thereof to the electors of the school district or city for approval.(d). The board may incur an additional indebtedness for the purpose of further increasing such fund and issue additional bonds therefor, from time to time, in an amount or amounts not exceeding in the aggregate $31,000,000, exclusive of all bonded indebtedness authorized for that purpose prior to the effective date of this amendatory Act of 1977, without the submission thereof to the electors of the school district or city for approval.(e). Any bonds issued under paragraphs (a), (b), (c) or (d) of this Section shall bear interest at a rate of not more than the maximum rate authorized by the Bond Authorization Act, as amended at the time of the making of the contract, and shall mature within 20 years from date of issue. The authority herein granted in paragraphs (a), (b), (c) and (d) shall be considered exclusive of each other and as cumulative authority for the issuance of such bonds. 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.