Section 70 ILCS 2605/8b - Authorization for long-term leasesIn addition to the powers and authority now possessed by such sanitary district to acquire under lease or otherwise any real or personal property for corporate purposes, such sanitary district shall have the power:
(1) To lease from any public building commission created pursuant to the provisions of the Public Building Commission Act, approved July 5, 1955, as heretofore or hereafter amended, any real or personal property for the purpose of securing office or other space for its administrative corporate functions for a period of time not exceeding 40 years;(2) To pay for the use of this leased property in accordance with the terms of the lease and with the provisions of the Public Building Commission Act, approved July 5, 1955, as heretofore or hereafter amended.(3) Such lease may be entered into without making a previous appropriation for the expense thereby incurred; provided, however, that if the board of trustees of such sanitary district undertakes to pay all or any part of the costs of operating and maintaining the property of a public building commission as authorized in subparagraph (4) of this section such expense of operation and maintenance shall be included in the annual appropriation ordinance of such sanitary district annually during the term of such undertaking.(4) In addition, the board of trustees of such sanitary district may undertake, either in the lease with a public building commission or by a separate agreement or contract with a public building commission, to pay all or any part of the costs of maintaining and operating the property of a public building commission for any period of time not exceeding 40 years.