Unlawful Employment Activities. Discrimination. This handout gives a summary of the federal and Texas laws against disability discrimination in the workplace.A charge of discrimination can be completed through our online system after you submit an online inquiry and we interview you. This article explains how to file a complaint if you believe your employer has discriminated against you. The ADA provides an important tool to fight discrimination: filing a complaint with an appropriate federal agency. This page outlines the steps to do so. You can also complete and submit an Americans with Disabilities Act Discrimination Complaint Form. Under both federal and state laws, disability discrimination in the workplace is unlawful. Nonetheless, it occurs frequently in Texas. Are you the victim of disability discrimination in the workplace?