(35 ILCS 200/10-40)
    Sec. 10-40. Historic Residence Assessment Freeze Law; definitions. This Section and Sections 10-45 through 10-85 may be cited as the Historic Residence Assessment Freeze Law. As used in this Section and Sections 10-45 through 10-85:
        (a) "Director" means the Director of Historic Preservation.
        (b) "Approved county or municipal landmark ordinance" means a county or municipal
    
ordinance approved by the Director.
        (c) "Historic building" means an owner-occupied single family residence or an
    
owner-occupied multi-family residence and the tract, lot or parcel upon which it is located, or a building or buildings owned and operated as a cooperative, if:
            (1) individually listed on the National Register of Historic Places or the Illinois
        
Register of Historic Places;
            (2) individually designated pursuant to an approved county or municipal landmark
        
ordinance; or
            (3) within a district listed on the National Register of Historic Places or
        
designated pursuant to an approved county or municipal landmark ordinance, if the Director determines that the building is of historic significance to the district in which it is located.
    Historic building does not mean an individual unit of a cooperative.
        (d) "Assessment officer" means the chief county assessment officer.
        (e) "Certificate of rehabilitation" means the certificate issued by the Director upon
    
the renovation, restoration, preservation or rehabilitation of an historic building under this Code.
        (f) "Rehabilitation period" means the period of time necessary to renovate, restore,
    
preserve or rehabilitate an historic building as determined by the Director.
        (g) "Standards for rehabilitation" means the Secretary of Interior's standards for
    
rehabilitation as promulgated by the U.S. Department of the Interior.
        (h) "Fair cash value" means the fair cash value of the historic building, determined on
    
the basis of the assessment officer's property record card, representing the value of the property prior to the commencement of rehabilitation without consideration of any reduction reflecting value during the rehabilitation work.
        (i) "Base year valuation" means the fair cash value of the historic building for the
    
year in which the rehabilitation period begins but prior to the commencement of the rehabilitation and does not include any reduction in value during the rehabilitation work.
        (j) "Adjustment in value" means the difference for any year between the then current
    
fair cash value and the base year valuation.
        (k) "Eight-year valuation period" means the 8 years from the date of the issuance of the
    
certificate of rehabilitation.
        (l) "Adjustment valuation period" means the 4 years following the 8 year valuation
    
period.
        (m) "Substantial rehabilitation" means interior or exterior rehabilitation work that
    
preserves the historic building in a manner that significantly improves its condition.
        (n) "Approved local government" means a local government that has been certified by the
    
Director as:
            (1) enforcing appropriate legislation for the designation of historic buildings;
            (2) having established an adequate and qualified historic review commission;
            (3) maintaining a system for the survey and inventory of historic properties;
            (4) providing for adequate public participation in the local historic preservation
        
program; and
            (5) maintaining a system for reviewing applications under this Section in accordance
        
with rules and regulations promulgated by the Director.
        (o) "Cooperative" means a building or buildings and the tract, lot, or parcel on which
    
the building or buildings are located, if the building or buildings are devoted to residential uses by the owners and fee title to the land and building or buildings is owned by a corporation or other legal entity in which the shareholders or other co-owners each also have a long-term proprietary lease or other long-term arrangement of exclusive possession for a specific unit of occupancy space located within the same building or buildings.
        (p) "Owner", in the case of a cooperative, means the Association.
        (q) "Association", in the case of a cooperative, means the entity responsible for the
    
administration of a cooperative, which entity may be incorporated or unincorporated, profit or nonprofit.
        (r) "Owner-occupied single family residence" means a residence in which the title holder
    
of record (i) holds fee simple ownership and (ii) occupies the property as his, her, or their principal residence.
        (s) "Owner-occupied multi-family residence" means residential property comprised of not
    
more than 6 living units in which the title holder of record (i) holds fee simple ownership and (ii) occupies one unit as his, her, or their principal residence. The remaining units may be leased.
    The changes made to this Section by this amendatory Act of the 91st General Assembly are declarative of existing law and shall not be construed as a new enactment.
(Source: P.A. 90-114, eff. 1-1-98; 91-806, eff. 1-1-01.)