To file a discrimination complaint, complete a Discrimination Complaint Form. The complaint must be based on one or more of the following bases.File a complaint in Maryland regarding issues of employment, housing and public accommodations. Please visit their website for additional information. The complaint should contain the location of the alleged discrimination, the date the discrimination occurred and a description of the alleged violation. In Maryland, these owners may turn down someone based on sex, sexual orientation, gender identity, or marital status. Engage in conduct that has the effect of denying you or your child aid, a service, or a benefit, or otherwise discriminating against you or your child;. The first step in assessing a potential discrimination claim is determining if you are in a legally identified class of protected workers. Maryland Discrimination Laws. , SW, Washington, DC 20202. Top.