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 consent letter demonstrates that a child has permission to travel outside Canada from every parent or guardian who is not accompanying them on the trip. The intention of this letter is to provide consent for a minor child to travel without the company of both legal parents. Don't risk complications at the border. A parent or guardian must complete this form and have it notarized no earlier than 30 days prior to departure. First of all let me give you my condolences for your father's death. Travel agencies requiring consent forms for minors. 4. School trips that involve traveling with a different adult. 5. Heading overseas with your child but without the child's other parent?