To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account. This could just be a death certificate and your driver's license.It could also require opening an estate and getting letters testamentary. A letter indicating that there are sufficient funds in the Estate to pay funeral costs may be required. Keep all contracts and receipts from the funeral home. Estate administration is a process for handling a person's assets and debts after that person's death. 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-. It may, however, be prudent to notify the bank of the Decedent's death. If notified, the bank will typically block any further charges to the account. Do you need to obtain a letter of testamentary in NC?