65 ILCS 5/1-1-10
2021 Illinois Compiled Statutes|Chapter 65 - MUNICIPALITIES|65 ILCS 5/ - Illinois Municipal Code.|Article 1 - General Provisions

 (from Ch. 24, par. 1-1-10)Sec. 1-1-10.   It is the policy of this State that all powers granted, either  expressly or by necessary implication, by this Code, by Illinois statute,  or by the Illinois Constitution to municipalities may be exercised  by those municipalities and the officers, employees, and agents of each,  notwithstanding effects on competition.It is further the policy of this State that home rule municipalities and the officers, employees, and agents of each may  (1) exercise any power and perform any function pertaining to their government  and affairs or (2) exercise those powers within traditional areas of municipal  activity, except as limited by the Illinois Constitution or a proper limiting  statute, notwithstanding effects on competition.It is the intention of the General Assembly that the "State action exemption"  to the application of federal antitrust statutes be fully available to  all municipalities and the agents, officers, and employees of each  to the extent they are exercising authority as aforesaid, including, but  not limited to, the provisions of Sections 6, 7, and 10 of Article VII of  the Illinois Constitution or the provisions of the following Illinois  statutes, as each is now in existence or may hereinafter be amended:(a) The Illinois Local Library Act; Article 27 of the     Property Tax Code; the Housing Development and Construction Act; or the Housing Authorities Act, the Housing Cooperation Law, the Blighted Vacant Areas Development Act of 1949, the Urban Community Conservation Act, the Illinois Enterprise Zone Act, or any other power exercised pursuant to the Intergovernmental Cooperation Act; or(b) Divisions 1, 2, 3, 4, 5, and 6 of Article 7 of     the Illinois Municipal Code; Divisions 9, 10, and 11 of Article 8 of the Illinois Municipal Code; Divisions 1, 2, 3, 4, and 5 of Article 9 of the Illinois Municipal Code; and all of Divisions of Articles 10 and 11 of the Illinois Municipal Code; or(c) Any other Illinois statute or constitutional     provision now existing or which may be enacted in the future, by which any municipality may exercise authority.The "State action exemption" for which provision is made by this Section  shall be liberally construed in favor of such municipalities and the  agents, employees, and officers thereof, and such exemption shall be  available notwithstanding that the action of the municipality or its  agents, officers, or employees  constitutes an irregular exercise of constitutional or statutory powers.  However, this exemption shall not apply where the action alleged to be in  violation of antitrust law exceeds either (1) powers granted, either  expressly or by necessary implication, by Illinois statute or the Illinois  Constitution or (2) powers granted to a home rule municipality to perform  any function pertaining to its government and affairs or to act within  traditional areas of municipal activity, except as limited by the Illinois  Constitution or a proper limiting statute.Notwithstanding the foregoing, where it is alleged that a violation of  the antitrust laws has occurred, the relief available to the plaintiffs  shall be limited to an injunction which enjoins the alleged activity.Nothing in this Section is intended to prohibit or limit any cause of  action other than under an antitrust theory.  (Source: P.A. 102-510, eff. 8-20-21; 102-558, eff. 8-20-21.)