Basic Requirements When Applying for a New Passport All applicants need to present a completed passport application, proof of citizenship, and passport photos. 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. Passport Acceptance Facility Search Page. Use this site to find the nearest acceptance facility where you can submit your U.S. passport application. Passports issued for children under the age of 16 will require the signatures of BOTH PARENTS. If a parent cannot attend, please have a consent form filled out. Step 1: Gather your Documents First: Identity and Legal Presence Documents Second: Social Security Number Third: Evidence of your Residential Address Do we need some sort of notarized consent to travel with them in this way? Or does it make no difference in this situation, since we are married to each other?