The MCAD offers various avenues to file a complaint of discrimination. Please review the options below to determine what is best for you.The Massachusetts Commission Against Discrimination (MCAD) is the independent state agency that enforces the Massachusetts anti-discrimination laws. A charge of discrimination can be completed through our online system after you submit an online inquiry and we interview you. The first step is to file a complaint (also called a Charge) at the Massachusetts Commission Against Discrimination. A Charge of Discrimination can be completed through our EEOC Public Portal after you submit an online inquiry and we interview you. You must file your claim of discrimination with the MCAD within 300 days of the discriminatory conduct or practice you are complaining about. You may file a complaint with the Human Rights Commission. 1. Discrimination Against Families with Children 2. Discrimination Based on Race or National Origin 3.