Prohibition on retaliatory conduct by landlord

765 ILCS 721/5, under Landlord Retaliation Act.

765 ILCS 721/5

(765 ILCS 721/5)     Sec. 5. Prohibition on retaliatory conduct by landlord. It is declared to be against public policy of the State for a landlord to take retaliatory action against a tenant. A landlord may not knowingly terminate a tenancy, increase rent, decrease services, bring or threaten to bring a lawsuit against a tenant for possession or refuse to renew a lease or tenancy because the tenant has in good faith done any of the following:         (1) complained of code violations applicable to the     premises to the relevant governmental agency, elected representative, or public official charged with responsibility for enforcement of a building, housing, health, or similar code;         (2) complained of a building, housing, health, or     similar code violation or an illegal landlord practice to a community organization;         (3) sought the assistance of a community organization     to remedy a code violation or illegal landlord practice;         (4) complained or requested the landlord to make     repairs to the premises as required by a building code, health ordinance, other regulation, or the residential rental agreement;         (5) organized or become a member of a tenants' union     or similar organization;         (6) testified in any court or administrative     proceeding concerning the condition of the premises; or         (7) exercised any right or remedy provided by law. (Source: P.A. 103-831, eff. 1-1-25.)