Illinois Statutes Chapter 50. Local Government § 105/4.5. False verification; perjury

(1) In swearing on oath or otherwise affirming a statement in writing as required under this Act, knowingly makes a false statement as to, or knowingly omits a material fact relating to, the identification of an individual or entity that has an ownership interest in real property, or that is material to an issue or point in question in the written disclosure pertaining to a contract for the ownership or use of real property.

(2) Having taken a lawful oath or made affirmation, testifies willfully and falsely as to any of those matters for the purpose of inducing the State or any local governmental unit or any agency of either to enter into a contract for the ownership or use of real property.

(3) Suborns any other person to so swear, affirm, or testify.