The most important thing you should do to close a financial balance upon the passing of a friend or family member is to inform the bank regarding this demise. Sub: Request to close an account due to death.You should produce the concerned Bank branch the death certificate from municipal authority as proof of that persons demise. Enclosed with this letter are the death certificate and my legal authorization as the executor. Please settle the balance in the account in the name of the nominee. (a) to (f) -Detail of the deceased to be provided. Submit copy of Death certi cate and Original for veri cation. Closing a bank account following the death of a direct payments customer. And proof of death of depositors. Aadhar card; Mother's death certificate; Bank passbook.