Continuing F-1/J-1 students can travel abroad and return to the U.S. to resume their studies. Please review the information below before traveling this winter recess: 1. International students must have a valid travel signature on their I-20/DS-2019 to re-enter the U.S. in F-1/J-1 status. Each travel signature is valid for one year from the date…Continue Reading Travel and Emergency Contact Information