International Tax OfficeHome / International Tax Office The International Tax Office is responsible for ensuring the University complies with U.S. tax and immigration law when making payments to or on behalf of its foreign visitors, vendors and in some instances, payments for services outside the U.S. Contact Us Schedule an Appointment Videos & Training Materials Taxes for Nonresidents Unrelated Business Income Independent Personal Services Retail Sales and Use Tax Travel Reimbursements Hire a Foreign National Scholarships and Fellowships