Application form DS-11: This form must be filled out but not signed until you submit it at the post office. Passport Application Process at KINGS COUNTY CLERK.Please complete the form legibly in BLACK ink, but do not sign the form. Passport and Westchester County ID applications are now accepted five days a week. For your convenience, documents may be delivered to the County Clerk. Step One: Confirm you meet the requirements. Step Two: Fill out your form and print it. Bring a completed unsigned DS-11 passport application form. Forms may be completed online or printed from travel.state.gov. If you need to find a location to apply in a different city, visit the New York passport application acceptance facilities page.