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.Use our Child Travel Consent form to prove that a child can travel without their parents or guardians. A Child Travel Consent letter is a legal document that gives permission for minors to travel without their parents or legal guardian. The consent form has moved: Digital Parental Consent page. I was preparing documents and someone told me that I might need minor travel consent form since I am not leaving. It is up to the teacher and school regarding what they need to make up. The Medical Authorization form, which is given to foster parents at the time of the child's arrival, explains explicitly what to do in a medical emergency. You need to have your parent's or guardians' approval for signing up. What documents are needed for a US citizen minor child traveling with her grandparents and Aunt?