Authorisation Letter to Collect Documents: Writing an authorisation letter to the Bank Manager? (___) to confirm the following details that I provided to ______.Empower a trusted representative with an Authorization Letter. Make a free Authorization Letter in minutes with our customizable template. Access the latest fund documents and reports with ease. Download important documents for your investments and stay informed about our mutual fund offerings. Have your bank complete Section 2 and send the completed form to the Plan office. The FDIC may be able to assist you in obtaining a lien release if the request is for a customer of a failed bank that was placed into FDIC receivership.