Illinois Statutes Chapter 775. Human Rights § 5/3-105. Restrictive Covenants

(B) Limitations. (1) Every condition, restriction or prohibition, including a right of entry or possibility of reverter, which directly or indirectly limits the use or occupancy of real property on the basis of race, color, religion, or national origin is void.

(2) This Section shall not apply to a limitation of use on the basis of religion of real property held by a religious institution or organization or by a religious or charitable organization operated, supervised, or controlled by a religious institution or organization, and used for religious or charitable purposes.