Use our Form Filler to fill out your form and print it. For the best experience, use a desktop or laptop computer.Bring the completed, unsigned DS-11 form and pay the fees for your child's passport. Make sure to bring 2 checks. Most children must appear in person at a passport acceptance facility to apply for a passport. The cost will vary depending on the child's age. Complete application (Form DS -11) using black ink only. All Passport applicants under 16 must apply in person. How to apply: Complete Form DS-11. Fill out your form(s) online and print it.