A SEVIS (Student and Exchange Visitor Information System) Form I-20 endorsed for travel and signed by DSO; must not have been out of the U.S. for less than 5 months; a current passport valid for at least six months after the date of your reentry or; a valid visa unless you traveled to a contiguous country or adjacent island for less than 30 days; and financial information showing proof of necessary funds to cover tuition and living expenses.