A charge of discrimination generally must be filed within 180 days of the alleged discrimination. If you are a victim of disability discrimination in the workplace Claudia Pollak Law is here to help.Book a free consultation now! To prove disability discrimination, you must establish that you have a disability and have faced unfair treatment at work because of it. If you have faced discrimination at work due to a disability, the NYC workplace discrimination lawyers at Filippatos Law can help. Call today: 888-9-JOBLAW. The best way to prove disability discrimination is to keep a detailed record of what transpires for each event that occurs. Legal protections against disability discrimination ensure that individuals with disabilities can fully participate in the workforce. Workplace disability discrimination comes in the form of harassment, lack of reasonable accommodation, inappropriate interview, and applications. Fill out the complaint form: These forms can usually be found on the agency's website.