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.The intention of this letter is to provide consent for a minor child to travel without the company of both legal parents. I was preparing documents and someone told me that I might need minor travel consent form since I am not leaving. A child travel consent form allows a minor to travel alone or with another person or group. A child travel consent form is strongly recommended if a child travels alone, with only one parent or an authorized adult. A parent or guardian must complete this form and have it notarized no earlier than 30 days prior to departure. A notarized letter of consent is a crucial requirement when traveling with minors without both parents or guardians. I,. , (name of parent), am the ___(mother)___ (father) of. (name of minor child), whose date of birth is.