To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account. The letters cite reasons for closure such as relocating, no longer needing the account, job changes, and death of an account holder.The completed form DE150 should then be submitted to the probate court in the county in which the deceased resided in at the time of death. Notify Bank of America. We'll ask you for the deceased customer's full legal name and Social Security number to identify their accounts. The completed form DE150 should then be submitted to the probate court in the county in which the deceased resided in at the time of death. Closing a bank account following the death of a direct payments customer. Who is responsible for a deceased person's debts? Who pays debts out of the deceased person's assets? Non-service-connected Death.