In Illinois, you must file an official charge with the EEOC within 300 days of the act of discrimination. A Charge of Discrimination can be completed through our EEOC Public Portal after you submit an online inquiry and we interview you.A charge of discrimination must be filed within 300 days after the alleged discriminatory action, or one year for a Fair Housing case. There are strict time limits for filing a job discrimination complaint with the EEOC. In some cases, you only have 180 days to report discrimination to EEOC. You can file a complaint with either the EEOC or IDHR within 300 days of the last incident of discrimination you experienced. 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. There are strict deadlines for filing a charge of discrimination, please review the information in the timeliness tab or call 1-. This deadline is extended to 300 calendar days if a state or local agency enforces a law that prohibits employment discrimination on the same basis. The Equal Employment Opportunity Commission (EEOC) is a federal agency with functions similar to the IDHR.