The Pennsylvania Human Relations Act makes it unlawful to discriminate on the basis of a protected class in the workplace. A charge of discrimination is a signed statement asserting that an organization engaged in employment discrimination.People who experience discrimination based on any protected categories can contact the PCHR to file a complaint. Discrimination occurs when prejudiced attitudes are acted upon, leading to unfair treatment of individuals. Reverse discrimination, in psychology, refers to laws and other practices that have been put into place in order to prevent discrimination against minorities. Reverse discrimination, in psychology, refers to laws and other practices that have been put into place in order to prevent discrimination against minorities. Thus ethnic and racial attitudes have become more complex than they were in the past. Federal and state law prohibit Pennsylvania employers from discriminating against employees based on certain characteristics, such as race or religion. The Pennsylvania Human Relations Commission (Harrisburg Regional Office) at 717‑787‑9780. Relevant Definitions. Complainant.