If you wish to fill out and print your passport application ahead of your appointment, official fillable online forms are found HERE. All minors age 15 and under, whether or not they have had a passport in the past, must apply in person using form DS-11.Application Process. Use our Form Filler to fill out your form and print it. For the best experience, use a desktop or laptop computer. Passport applications for children under 16 have special requirements. Application form DS-11: This form must be filled out but not signed until you submit it at the post office. The ALLEGHENY COUNTY DEPT OF COURT RECORDS, situated in PITTSBURGH, PA is an approved location for submitting your United States passport application. Gather information about obtaining passport documents for all minors under the age of 16. You must complete an Application for Birth Certificate.