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. It depends on the airline for domestic travel.A child travel consent form is a document used to Grant permission for a minor when they're traveling without their parents. Yes, you should take a notarized letter. You might not get asked for it (I wasn't). To create this form, gather all necessary details about the child, the accompanying adult and the travel. If only one parent is applying for the passport, then that parent must have: • Notarized Statement of Consent to a Minor Under Age 14,. Do both parents have to be present? What if one of the parents cannot be present or cannot be located? How do I write a consent letter for my child to travel?