A charge of discrimination must be filed within 300 days after the alleged discriminatory action, or one year for a Fair Housing case. A charge of Employment discrimination must be filed within 300 days of the alleged discrimination.You can file a claim or "charge" of discrimination with the EEOC if you believe you were treated unfairly at work based on: Race, Color, You can file a complaint and pursue a discrimination claim at the Commission on Human Relations if you believe you have been personally harmed. You must be able to prove that the reason the employer gave is not the actual or real reason. (A) Freedom from Unlawful Discrimination. IDHR complaints must be filed within 180 days of the date of the discrimination. The IDHR has 365 days to review a claim. The Illinois Human Rights Act, which took effect in 1979, is a wideranging declaration of freedom from discrimination. Complaints with IDHR must be filed within 300 days of the discrimination, or within one year for housing-related complaints.