A letter of instruction (LOI), also called a letter of intent. It provides your executor with important information about your assets and personal information.Quickly learn what a Letter of Instruction is and how to write one (2024 updated). Plus, grab the free template so you can take action! It has received a deposit of the moneys described in the "Letter of Instructions to The. Notify Bank of America. We'll ask you for the deceased customer's full legal name and Social Security number to identify their accounts. Send letter of instruction to financial institution via email, link, or fax. You can also download it, export it or print it out. A copy of the court certified document dated within 60 days (within six months if issued in.