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 discrimination must be filed within 300 days after the alleged discriminatory action, or one year for a Housing case.You must fill out and sign the Public Accommodations Complainant Information Sheet. You can speak with a member of the Illinois Department of Human Rights (IDHR) and file a charge. You have 300 days from the last incident to file with the IDHR. Below are some OCR case resolutions that address Title IX civil rights concerns. This is a partial, illustrative list of case resolutions. Discrimination that have a significant impact in Illinois;. State Flag of Illinois. The laws are aimed at ending the cycle of pay discrimination and some go further than merely banning pay history questions.