In addition to all the rights and powers conferred on any county board under this Code or any other Acts, a county board may acquire, under lease or otherwise, any real or personal property for county purposes, the county board in every county 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 any of its county purposes, for any period of time not exceeding 30 years.(2) To pay for the use of the 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) To enter into such lease without making a previous appropriation for the expense thereby incurred, notwithstanding the provisions, if any applicable, in any other Sections of this Code; provided however, that if any county board 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 expenses of operation and maintenance shall be included in the annual appropriation ordinance or annual budget, as the case may be, of such county annually during the term of such undertaking.(4) In addition, any county board may undertake, either in the lease with a Public Building Commission or by 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 twenty years.