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.Each parent can travel with each child, just like you could domestically. No special permission or documentation is required. Your child will need a Child Travel Consent any time they're traveling without all their parents or legal guardians present. Hello, does anyone know if a letter of consent from the other parent is mandatory or required to show on the day of the interview? 1. Document Header - Begin with a clear and descriptive title, like "Child Travel Consent Form. We review and update our documents regularly. Fill Out Form DS-11 and Print It 2. Disney's official site for tickets to the landmark Broadway musical THE LION KING in New York City and on tour across North America.