35 ILCS 200/10-740
Notwithstanding any other provision of law, the owner of the ground installed commercial solar energy system shall commission a metes and bounds survey description of the land upon which the commercial solar energy system is installed, including access routes, over which the owner of the commercial solar energy system has exclusive control. The owner of the ground installed commercial solar energy system shall, at his or her own expense, use an Illinois-registered land surveyor to prepare the survey. The owner of the ground installed commercial solar energy system shall deliver a copy of the survey to the chief county assessment officer and to the owner of the land upon which the ground installed commercial solar energy system is constructed. Upon receiving a copy of the survey and an agreed acknowledgement to the separate parcel identification number by the owner of the land upon which the ground installed commercial solar energy system is constructed, the chief county assessment officer shall issue a separate parcel identification for the real property improvements, including the land containing the ground installed commercial solar energy system, to be used only for the purposes of property assessment for taxation. The property records shall contain the legal description of the commercial solar energy system parcel and describe any leasehold interest or other interest of the owner of the commercial solar energy system in the property. A plat prepared under this Section shall not be construed as a violation of the Plat Act.
35 ILCS 200/10-740