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. A child travel consent form allows a minor to travel alone or with another person or group. When travelling with your children, most likely you need to bring some additional travel documents. Make sure to what applies to your family. The parent that cannot go with the child must sign form DS-3053 in front of a certified notary public. The parent that cannot go with the child must sign form DS-3053 in front of a certified notary public. A child travel consent form allows a minor to travel alone or with another person or group. According to the USA.