Home Welcome to the ISSO Contact Us I want to paste icon Apply for an I-20 address-card icon Apply for a Student Visa users icon Apply for Employment Authorization (CPT/OPT/AT) credit-card icon Apply for a Social Security Number listl icon Maintain Student Status pencil icon Obtain a Travel Signature or I-20/DS-2019 Reprint paper-plane icon Visa and Travel Information dollar icon Tax Forms and Returns Browse Services by Audience Students Scholars (Professors and Researchers) Department Administrators Dependents (Spouses and Children) Events ISSO Sponsored Events All Events (Both ISSO Sponsored and External) NEWS June 21, 2023Electronic Transmission of DS-2019s for J-1/J-2 Exchange VisitorsMarch 07, 20232022 Tax Filing InformationMarch 06, 2023USCIS Expands Premium Processing Eligibility to F-1 OPT ApplicantsFebruary 24, 2023David Austell, Associate Provost and ISSO Executive Director, to Step DownFebruary 23, 2023State Department Updates F Visa Policy More News Video Library Visa Options for International Students After GraduationPost-Completion Optional Practical Training (OPT) for F-1 Fall 2023 GraduatesWelcome from the ISSO (Fall 2023) More Video Search Your question might already be answered on our website. Search Now Follow Us instagram icon Instagram facebook-square icon Facebook twitter-square icon Twitter youtube-play icon YouTube International Student/Scholar/Alumni Spotlights Read stories about our amazing international community! Nikunj Sharma, Graduate Student in Enterprise Risk Management at School of Professional Studies Jenny Xue, Graduate Student in SIPA - Master of Public Administration & CSSW- Master of Social Work This could be you! Submit today! WHAT'S ON THIS SITE map-marker icon Getting Started suitcase icon Employment plane icon Visas and Travel check-square icon Maintaining Your Status file icon Tax Information group icon For Departments Columbia by the Numbers To see detailed statistics, visit our Statistics page. We have more than 17,000 international students and scholars. 145 countries are represented.