evidence: The 60-day "grace" period is only to prepare to leave the country. [...] - A current passport valid for at least six months after the date of your re-entry or, if you are from one of the countries listed below, a passport that is current through the date of entry - A valid, current visa (unless you are a citizen of Canada or Bermuda or you traveled to a contiguous country for less than thirty days) [...] You must renew your passport before you re-enter the United States. Usually, to enter the United States, you must have a passport that is valid for at least six months after the date you enter or re-enter.