Sample Letter to Bank Informing the Death of the Account Holder. The death claim letter should be written in the formal letter format.This is to notify the bank that my. (Relationship with deceased). We allow removal of an account holder. A new signature card is prepared along with a document requesting the ownership change. Notify Bank of America. We'll ask you for the deceased customer's full legal name and Social Security number to identify their accounts. Re: Deletion of name of the deceased shareholder. Tell them that you wish to close account number xyz and what to do with any balance of funds.