It’s important to have the right documents when you re-enter the U.S.
Print out of your most recent I-20 or original, hard copy DS-2019
Valid visa and passport
Valid travel signature on your I-20 or DS-2019 (less than 1 year old during study; 6 months for OPT participants)
IMPORTANT: Request your I-20 travel signature at least 7 business days before your return flight to the U.S. If you are a J-1 exchange visitor, bring your original DS-2019 to the ISS office at least 7 business days before your departure date.