Most applicants who are age 1617 must apply in person using Form DS11. Passports for applicants 16 and older are valid for 10 years.Passport application (black ink, application must be completed and unsigned) - for first-time applicants and minors under age 16, use Form DS-11. If you are applying for first time as an adult (age 16 or older), you must come personally to the US Citizen Services Unit and submit the following documents. Passports for all minors under 16 and those aged 16 or 17 who cannot have both legal guardians present. 1. Confirmed Passport Appointment. Passports for 16 and 17 year olds have special requirements that must be met before a new passport can be issued. Check forms and fees here. Fill out the whole application form if you can. You will be asked eligibility determination questions during your interview.