Hi, I am planning to ask my relative to pick up the stamped passport for me. Can't collect your passport in person?Learn how to draft a letter of authorization, allowing someone else to pick it up for you. How do I fill this out? Find out if you're eligible 2. I authorize the company stated below to submit my passport application to a passport agency and pick up the passport from a U.S. passport agency on my behalf. Passports are usually issued 4 to 6 weeks following the date of application. The below documents required for passport collection will be submitted together with this authorisation letter: â–¡ Application Receipt. Use our Form Filler to fill out your form and print it. A passport authorization letter is a letter that authorizes A Briggs to act as your representative when submitting your passport application.