[header] How to report discrimination in the workplace [title] Read federal law. [step] Federal law prohibits discrimination at work on the basis of race, color, religion, sex (including pregnancy), national origin, age (if 40 or older), disability, or genetic information. Federal law applies to employers with at least 15 employees; for age discrimination, the employer must have at least 20 employees. 
[substeps] Federal law may also protect against discrimination on the basis of sexual orientation, though the law is in flux. It is also against the law to harass anyone based upon one of these protected characteristics.