Use our Child Travel Consent form to prove that a child can travel without their parents or guardians. In such a scenario, the form acts as concrete proof validating the child's travel in the absence of one or both parents.If children are not travelling with both their parents, (ie: if they are travelling alone, or with another adult), this form can be used to give permission. 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. A parent can sign an "authorization agreement" form to give a nonparent the authority to care for and make decisions for a child. The intention of this letter is to provide consent for a minor child to travel without the company of both legal parents. A Child Travel Consent is required to cover all bases and legally allow a minor to travel with one of the parents or with a third party. A child travel consent form legally grants a minor aged under 18 permission to travel without their parent(s) or legal guardian(s).