Start the letter with a direct statement outlining why the authorization is necessary. These samples will help you in creating a perfect authorization letter.Check out the samples of authorization letters to collect documents. This file provides a template for an authorization letter, allowing a designated person to claim an item on your behalf. 1. Read through this FAQ page. There are several answers to common questions about the application here. 2. Extramural Associate Research Development Award. G11; Cooperative agreements. U01. Ensure that you specify the item or document being claimed.