Please be advised that. In order to make a bank authorization letter, it's important to empower someone with bank relates issues, for example in taking collecting or sign on documents.(___) to confirm the following details that I provided to ______. Bank of America provides notary services free of charge in all financial centers. Schedule an appointment and learn what is needed for a notarization. Authorization-Letter-for-Bank-1-2 - Free download as Word Doc (. LAX Airfield Permits Unit. Los Angeles, CA 90045. Attention: Compliance Manager. Define Letter of Authorization (LA).