Illinois Statutes Chapter 775. Human Rights § 50/20. Penalties

(a) A business or establishment identified in subsection (a) of Section 5 that fails to comply with the requirements of this Act within 30 days of receipt of a notice described in subsection (b) is guilty of a petty offense, and subject to a fine of up to $500 for each violation.

(b) The governmental entity regulating a business or establishment and local law enforcement agency having jurisdiction shall, in the course of regulating a business or establishment or carrying out law enforcement duties, monitor and enforce compliance with this Act. Upon discovering a violation, the governmental entity or local law enforcement agency having jurisdiction shall provide the business or establishment with reasonable notice of noncompliance that informs the business or establishment that it is subject to a fine if it does not correct the violation within 30 days from the date the notice is sent to the business or establishment.

(c) If the governmental entity regulating a business or establishment or local law enforcement agency having jurisdiction verifies that the violation was not corrected within the 30-day period described in subsection (b), the Attorney General or State's Attorney may prosecute a violation of this Section.