Sample Letter to Bank Informing the Death of the Account Holder. The death claim letter should be written in the formal letter format.To sum up, I want to inform you that my husband died in a car accident on 28th July 2022. Moreover, he has a savings bank account in your bank. How do l write a letter to the bank to take my name off as a next of kin on a friend's death certificate taking to the bank? Notify Bank of America. We'll ask you for the deceased customer's full legal name and Social Security number to identify their accounts. Government agencies and programs to notify of a death.