The death claim letter should be written in the formal letter format. Check the samples provided below for your reference.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. A death claim application letter for a bank is a letter addressed to the bank to inform them about the demise of an account holder. Give application to the bank or treasury as the case may be informing passing away of the Pensioner. Notify Bank of America. We'll ask you for the deceased customer's full legal name and Social Security number to identify their accounts. A copy of the death certificate. Proof of identification for representative handling these accounts.