(A) It shall be unlawful for any person or corporation knowingly:
(1) To solicit for sale, lease, listing, or purchase any residential real estate within the city limits, on the grounds of loss of value due to the present or prospective entry into the vicinity of the property involved of any person or persons of any particular, race, color, religion, or national origin, ancestry, creed, handicap, or sex.
(2) To distribute, or cause to be distributed written material or statements designed to induce any owner of residential real estate in the city to sell or lease his or her property because of any present or prospective changes in the race, color, religion, or national origin, ancestry, creed handicap, or sex, of residents in the vicinity of the property involved.
(3) To intentionally create alarm among residents of any community, by transmitting in any manner, including a telephone call, whether or not conversation thereby ensues, with a design to induce any owner of residential real estate in the city to sell or lease his or her property because of any present or prospective entry into the vicinity of the property involved of any person or persons of any particular race, color, religion, or national origin, ancestry, creed, handicap, or sex.
(4) To solicit any owner of residential property to sell or list residential property at any time after the person or corporation has notice that the owner does not desire to sell the residential property or does not desire to sell the residential property. For the purpose of this paragraph, notice must be provided as follows:
(a) The notice may be given by the owner personally or by a third party in the owner's name, either in the form of an individual notice or a list, provided it complies with this paragraph.
(b) Such notice shall be explicit as to whether each owner on the notice seeks to avoid both solicitation for listing and sale, or only for listing, or only for sale, as well as the period of time for which any avoidance is desired. The notice shall be dated and either of the following shall apply:
1. Each owner shall have signed the notice or
2. The person or entity preparing the notice shall provide an accompanying affidavit to the effect that all names on the notice are, in fact, genuine as to the identity of the persons listed and that such persons have requested not to be solicited as indicated.
(c) The individual notice, or notice in the form of a list with the accompanying affidavit, shall be served personally or by certified or registered mail, return receipt requested.
(B) Violation of this section is a misdemeanor, provided that the person has not been convicted of any prior offense under the terms of this section. Any person who violates any provision of this section after having been previously convicted of an offense under this section commits a class 4 felony and shall be prosecuted under state law.
(ILCS Ch. 720, Act 590, § 1, 2) Penalty, see § 130.99