Applications for children’s passports (under 16 years old) must be completed in person. For more information about applying for a passport for a child, go to the u003ca href=u0022https://travel.state.gov/content/travel/en/passports.htmlu0022 target=u0022_blanku0022 rel=u0022noreferrer noopeneru0022u003eTravel section on the U.S. Department of State’s websiteu003c/au003e.