Mail Fill out and send the paper ADA Complaint Form. The ADA makes it unlawful to discriminate in all aspects of employment, including hiring, promotion, and termination.To file a discrimination complaint, complete a Discrimination Complaint Form. Under the Americans with Disabilities Act (ADA), it is against the law for certain businesses to discriminate against qualified individuals with disabilities. A charge of discrimination generally must be filed within 180 days of the alleged discrimination. The purpose of the law is to make sure that people with disabilities have the same rights and opportunities as everyone else. Title I (Employment) of the ADA. The ADA and Maryland state law prohibit discrimination on the basis of disability. Violations of the ADA can be enforced through the U.S. Equal Employment Opportunity Commission (EEOC). The expansion of Maryland's disability discrimination law aligns it with federal requirements under the Americans with Disabilities Act (ADA).