Report online if you have experienced or witnessed an incident of discrimination or bias. An investigator will follow-up with you as soon as possible.Mail Fill out and send the paper ADA Complaint Form. To file a discrimination charge through the MDHR, call them on the phone at 651-296-5663 (TTY 651-296-1296) or toll-free at 1-800-657-3704. You may file one of three ways. The Minnesota Department of Human Rights enforces the Minnesota Human Rights Act, which is a state law prohibiting discrimination in Minnesota. People may also file a discrimination complaint with the Minnesota Department of Human Services (DHS). Step 1: Complete the Grievance Form. Retaliation may be in the form of job termination, demotion, and negative changes in benefits or perks. Filing Disability Discrimination Claims.