Bank of America provides notary services free of charge in all financial centers. Schedule an appointment and learn what is needed for a notarization.Edit, sign, and share wells fargo letter of instruction online. No need to install software, just go to DocHub, and sign up instantly and for free. Use this form for specific account requests. If required, there is a designated section on this form for a Medallion Signature Guarantee Stamp. Please print in CAPITAL LETTERS and use black ink. How to fill out the Bank Letter of Guarantee Template? 1. Enter the bank name at the top of the letter. 2. We offer local commercial lending decisions with flexible options.