A charge of discrimination must be filed within 300 days after the alleged discriminatory action, or one year for a Fair Housing case. You can file a claim or "charge" of discrimination with the EEOC if you believe you were treated unfairly at work.A charge of discrimination can be completed through our online system after you submit an online inquiry and we interview you. This fact sheet provides information on filing an employment discrimination charge with the EEOC in Chicago, and what to expect at the Chicago District Office. A charge of discrimination is a signed statement asserting that an employer, union or labor organization engaged in employment discrimination. Illinois now has one of the longest statute of limitations for state employment discrimination claims. Most states have 180- or 300-day limitations periods. • Terms and Conditions. • Title VII and GERA prohibit retaliation. There are two venues for filing a discrimination case.