ILCS » Chapter 70 · Act 10
Illinois Compiled Statutes

70 ILCS 10/1 (2026)

As used in this act;     (1) The term "party states" means the State of Illinois and any adjoining state; and     (2) The term "governmental unit" means any city or county located within the confines of any party state or any airport authority organized under "An Act in relation to airport authorities" approved April 4, 1945, as heretofore or hereafter amended, or any comparable authority organized under the laws of another party state and authorized by the laws of such state to combine with governmental units of other party states for the purposes set forth herein: Provided, That the county, if the combining unit is a county, or if the combining unit is a city or airport authority, the county in which such city or airport authority, or the greater part thereof, is located, has a common boundary of an adjoining party state

✓ current as of May 2026
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(70 ILCS 10/1) (from Ch. 15 1/2, par. 251)
    Sec. 1. As used in this act;
    (1) The term "party states" means the State of Illinois and any adjoining state; and
    (2) The term "governmental unit" means any city or county located within the confines of any party state or any airport authority organized under "An Act in relation to airport authorities" approved April 4, 1945, as heretofore or hereafter amended, or any comparable authority organized under the laws of another party state and authorized by the laws of such state to combine with governmental units of other party states for the purposes set forth herein: Provided, That the county, if the combining unit is a county, or if the combining unit is a city or airport authority, the county in which such city or airport authority, or the greater part thereof, is located, has a common boundary of an adjoining party state.
(Source: Laws 1963, p. 2121.)

    
Notes of Decisions
Cited in 1 case, 1998–1998 · leading case: State of Illinois v. City of Chicago, Illinois, & City of Gary, Indiana, 137 F.3d 474 (7th Cir. 1998).
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State of Illinois v. City of Chicago, Illinois, & City of Gary, Indiana, 137 F.3d 474 (7th Cir. 1998). · cites it 2× “Interstate Airport Authorities Act (IAAA), 70 ILCS 10/1 to 10/7. In 1980 Indiana enacted such a reciprocal law.”
Annotations are extracted automatically from the opinions in the Syfert caselaw corpus and ranked by authority, recency, and treatment. Dots show Syfertize treatment of the citing case itself.