Illinois Statutes Chapter 775. Human Rights § 5/3-104.1. Refusal to sell or rent because a person has a guide, hearing or support dog

(A) refuse to sell or rent after the making of a bonafide offer, or to refuse to negotiate for the sale or rental of, or otherwise make unavailable or deny property to any blind or hearing impaired person or person with a physical disability because he has a guide, hearing or support dog; or

(B) discriminate against any blind or hearing impaired person or person with a physical disability in the terms, conditions, or privileges of sale or rental property, or in the provision of services or facilities in connection therewith, because he has a guide, hearing or support dog; or

(C) require, because a blind or hearing impaired person or person with a physical disability has a guide, hearing or support dog, an extra charge in a lease, rental agreement, or contract of purchase or sale, other than for actual damage done to the premises by the dog.