55 ILCS 5/5-14008
The joint regional planning commission may acquire, by purchase, gift, or legacy, and hold real property for the purposes of the joint regional planning commission, and may sell and convey that property. The value of the real property shall be determined by an appraisal performed by an appraiser licensed under the Real Estate Appraiser Licensing Act of 2002 and who is certified to appraise the type or types of property to be valued. The appraisal report of the appraiser shall be available for public inspection. The joint regional planning commission may purchase the real property under contracts providing for payment in installments over a period of time of not more than 20 years and may finance the purchase of the real property under finance contracts providing for payment in installments over a period of time of not more than 20 years. This Section applies only to a joint regional planning commission if it consists of 3 or fewer counties that border the Illinois River, where at least one of those counties has a population of 180,000 or more.
55 ILCS 5/5-14008