(765 ILCS 755/10)

Sec. 10. Prohibited conduct.

(a) This Section does not prohibit a landlord from complying with any legal obligation under federal, State, or local law, including, but not limited to, any legal obligation under any government program that provides for rent limitations or rental assistance to a qualified tenant or a subpoena, warrant, or other court order.

(b) This Section does not prohibit a landlord from requesting information or documentation necessary to determine or verify the financial qualifications of a prospective tenant.

(c) This Section does not prohibit a landlord from delivering to the tenant an oral or written notice regarding conduct by the tenant that violates, may violate, or has violated an applicable rental agreement, including the lease or any rule, regulation, or law.

(d) This Section does not enlarge or diminish a landlord's right to terminate a tenancy pursuant to existing State or local law, nor does this Act enlarge or diminish the ability of a unit of local government to regulate or enforce a prohibition against a landlord's harassment of a tenant.

(e) Nothing in this Section prevents a landlord from seeking to collect rent due under the lease agreement.

(f) Except as otherwise provided in this Section, a landlord shall not:

(1) unless required by law or court order, threaten to disclose or actually disclose information regarding or relating to the immigration or citizenship status of a tenant to any person, entity, or any immigration or law enforcement agency with the intent of harassing or intimidating the tenant, retaliating against the tenant for exercising his or her rights, or influencing the tenant to surrender possession; or

(2) unless required by law or court order, bring an action to recover possession of a dwelling unit based solely or in part on the immigration or citizenship status of a tenant.

(g) Any waiver of a right under this Act by a tenant is void as a matter of public policy.

(Source: P.A. 101-439, eff. 8-21-19.)