Letter of Authority for Passport Pickup. How do I fill this out?1. Please submit a copy of the representative's ID with your application documents when you visit the application center to apply. 2. Send authorization letter for passport collection via email, link, or fax. You can also download it, export it or print it out. To authorize someone to pick up your passport the holder must write a letter of permission with personal details and identification documents. To authorize someone to pick up your passport the holder must write a letter of permission with personal details and identification documents. Please submit a copy of the representative's ID with your application documents when you visit the application center to apply.