Hub Page View: Social Security Number & ITIN What the SSN and ITIN are and what you will need them for. U.S. Taxes All international students and scholars are required to file a U.S. (federal) tax return even if you do not have U.S. source income. U.S. Laws While at Yale you are expected to follow U.S. laws and Yale policies that govern a variety of daily life and academic activities. Rights & Responsibilities It is important to become familiar with your legal rights and responsibilities in the U.S. Accepting Public Assistance In most instances, accepting public benefits may put your legal status in the United States at risk and can create a bar to re-entry to the U.S. Traffic and Parking Violations If you receive a traffic ticket for a moving violation, or a parking ticket, it is helpful to know your rights. Scams & Fraud Read information about common scams, and how to spot and avoid them.