(420 ILCS 46/5)
    Sec. 5. Definitions. As used in this Act, unless the context otherwise requires:
    (a) "Agent" means a licensed real estate "broker" or "salesperson", as those terms are defined in Section 1-10 of the Real Estate License Act of 2000, acting on behalf of a seller or buyer of residential real property.
    (b) "Buyer" means any individual, partnership, corporation, or trustee entering into an agreement to purchase any estate or interest in real property.
    (c) "Final settlement" means the time at which the parties have signed and delivered all papers and consideration to convey title to the estate or interest in the residential real property being conveyed.
    (d) "IEMA" means the Illinois Emergency Management Agency Division of Nuclear Safety.
    (e) "Mitigation" means measures designed to permanently reduce indoor radon concentrations according to procedures described in 32 Illinois Administrative Code Part 422.
    (f) "Radon hazard" means exposure to indoor radon concentrations at or in excess of the United States Environmental Protection Agency's, or IEMA's recommended Radon Action Level.
    (g) "Radon test" means a measurement of indoor radon concentrations in accordance with 32 Illinois Administrative Code Part 422 for performing radon measurements within the context of a residential real property transaction.
    (h) "Residential real property" means any estate or interest in a manufactured housing lot or a parcel of real property, improved with not less than one nor more than 4 residential dwelling units.
    (i) "Seller" means any individual, partnership, corporation, or trustee transferring residential real property in return for consideration.
(Source: P.A. 95-210, eff. 1-1-08.)