A charge of discrimination must be filed within 300 days after the alleged discriminatory action, or one year for a Fair Housing case. Please list in detail your complaint or complaints.If you have more than one complaint, please list them numerically. Mail Fill out and send the paper ADA Complaint Form. The Americans with Disabilities Act (ADA) of 1990, 42 USC 121101 prohibits discrimination against a qualified individual with a disability. 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. Resolves accessibility violations and discrimination impacting the people of the State of Illinois through injunctive relief, negotiation and litigation. To be disabled under the ADA, you must have a physical or mental impairment. Not everything that keeps you from doing activities is an impairment.