Sample Letter to Bank Informing the Death of the Account Holder. The death claim letter should be written in the formal letter format.They will need certified copies of the death certificate. Notify Bank of America. We'll ask you for the deceased customer's full legal name and Social Security number to identify their accounts. These forms helpful when handling the estate of a deceased person. If you have questions, consult with an attorney. If you need a death certificate quickly, make your request in person at one of our six Vital Records Branch Offices or online at mycertificates.health.pa.gov. Read Western Pennsylvania's best local news coverage of Allegheny County, Westmoreland County, Alle-Kiski Valley and Pittsburgh surrounding areas.