Hub Page View: Employment for International Students Learn about the regulations and requirements for on- and off-campus employment. Employment for International Scholars Employment information for faculty, staff, and researchers. 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. Employment for Spouses, Partners, and Children Employment information and regulations for family members of international students and scholars.