The letter shall start with the sender's address, date, bank's address, and with a salutation. The first and foremost thing you must do to close a bank account upon the death of a loved one is to inform the bank of this death.A death claim letter format for bank is straightforward. Moreover, you just have to submit documents like a death certificate, ID proof, etc. Notify Bank of America. We'll ask you for the deceased customer's full legal name and Social Security number to identify their accounts. One thing for sure is that the bank will want to know the specific reasons for the removal request as the next-to-kin. You'll need the original or certified copy of the appointment letter naming you as the personal representative of the estate along with any additional court-. To access a deceased parent's joint checking account, you'll need to show proof that you're entitled to receive the funds. Step 4 – Complete any additional requirements.