Learn about the different kinds of discrimination that can happen in the workplace and how you are protected under Massachusetts law. In Massachusetts, you must file your claim within 300 days after you experienced a discriminatory act.You may file in person or in writing at the Massachusetts Commission Against Discrimination (MCAD). Federal and state law prohibit Massachusetts employers from discriminating against employees based on certain characteristics, such as race or religion. Massachusetts has laws in place against discrimination on the job. This state-specific guide covers labor and employment case law, statutes, rules, and regulations that HR professionals and clients often encounter Workplace discrimination is illegal in Massachusetts and across the country, and your employer can be held accountable. Employment Discrimination Laws. Massachusetts upholds antidiscrimination laws to safeguard employees from unfair treatment in various aspects of employment. Our Boston legal team is known for being tenacious fighters, and for standing up to major institutions and government agencies in Massachusetts.