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.I was preparing documents and someone told me that I might need minor travel consent form since I am not leaving. We will be sharing some family travel tips about what documentation is needed, such as a travel consent letter, for international travel with a minor. A notarized letter of consent is a crucial requirement when traveling with minors without both parents or guardians. Completing a travel consent form is easy with Notarize. Keep reading to learn about the notarization process and signer requirements for this document. Here are the steps to write one: 1. Document Header - Begin with a clear and descriptive title, like "Child Travel Consent Form." Parental authorization form needs to be notarized. Date. Place.