Equal Housing Opportunity: It is illegal for either the owner or any broker licensee to refuse to show, display, lease or sell to any person because of one's membership in a protected class protected by the Illinois Human Rights Act that includes age, ancestry, arrest record, citizenship status, color, conviction record, disability (physical, mental, and association with a person with a disability), familial status, gender identity, marital status, military status, national origin, order of protection status, pregnancy, race (including traits associated with race like hair texture and protective hairstyles), religion, sex, sexual orientation, source of income, or unfavorable military discharge.
Illinois Department of Human Rights - https://dhr.illinois.gov
Illinois Human Rights Commission - https://hrc.illinois.gov/process/rights.html
You may also refer to the U.S. Department of Housing and Urban Development [https://www.hud.gov]