Find out what visa type is appropriate for you. See what documents a child needs to travel to or from the US alone or with a parent or relative.Non-US citizen children traveling to the US. Please note that holders of the very similar document called "Permit to Re-Enter" (Form I-327) do not fall under this rule. If you are a permanent or conditional permanent resident who has been outside the US for one year or longer, apply for a re-entry permit before you travel. In your passport, your complete birthdate must be mentioned: day, month and year. If you are a citizen of a country that is part of the visa waiver program (VWP), you don't need a visa to enter the U.S. for stays up to 90 days. What travel document do you plan to use to travel to Canada? Passport Alien's passport for stateless persons. Visa application form.