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.You may apply in person for a passport at the Essex County Clerk's office. In order to apply via mail, you should complete and mail an Application for Passport By Mail, Form DS-82. First, applicants need to fill out form DS11. Bring your completed application form DS-11 (PDF). Do not sign the form until the agent asks you to do so. Print out and write legibly in block letters. Please submit a copy of your U.S. passport in addition to the above ID if you are applying from a foreign country that requires a passport for travel. Download the application, complete the form, sign it, and mail it to: Board of Elections 32 Broadway, 7 Fl New York, NY 10004-1609.