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.Your child will need a Child Travel Consent any time they're traveling without all their parents or legal guardians present. Each parent can travel with each child, just like you could domestically. No special permission or documentation is required. The notarized letter of consent for the child to move to the US (NOT consent that he is giving up parental rights) is what you need. A minimum of six months' validity beyond the date of travel is recommended. BLANK PASSPORT PAGES: One page required for entry stamp. Please submit a copy of your U.S. passport in addition to the above ID if you are applying from a foreign country that requires a passport for travel. Accompanying Adult's Information - Name, relationship to the child, contact information, and passport number if applicable.