Check how to write an authorization letter to collect documents. If the documents have confidential content, it's best you make a personalized Authorization letter.These samples will help you in creating a perfect authorization letter. Check out the samples of authorization letters to collect documents. How to fill out the Authorization Letter to Collect Documents? Fisheries in the region and be up to date with the current State and Federal regulations, management plans, and stock status and harvest status information. This authorization allows the. Blood relatives are exempted from such an Authority letter. Documents complete in all respects are expeditiously attested. Do not make copies of the forms prior to completing.