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.Need a notarized minor travel consent form in NYC? Learn why you need one, how it makes traveling easier, and how to get it notarized. If the child is traveling with only one of their custodial parents, they must have a letter of consent, preferably in English and notarized. The intention of this letter is to provide consent for a minor child to travel without the company of both legal parents. Each parent can travel with each child, just like you could domestically. No special permission or documentation is required. Ensure safe travels for your child with our free travel consent form template and expert guide. Get consent from both parents and travel with confidence.