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.Child's Information: The form includes the child's full name, date of birth, place of birth, and passport or identification details. My question is do you really need the form? Me and my older sister are traveling to Brazil over the summer in June. Here are the steps to write one: 1. Document Header - Begin with a clear and descriptive title, like "Child Travel Consent Form." Your child will need a Child Travel Consent any time they're traveling without all their parents or legal guardians present. A notarized letter of consent is a crucial requirement when traveling with minors without both parents or guardians. With written parental consent, their child's record may be released to a designated party.