Our Palm Springs estate planning attorney can help you leave memorial instructions for your loved ones in a comprehensive estate plan. Notify Bank of America.We'll ask you for the deceased customer's full legal name and Social Security number to identify their accounts. 9. Funeral expenses, expenses of last illness, and all known unsecured debts of the decedent have been paid. A letter of last instruction is a document that outlines funeral planning processes and arrangements. To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account. 1. Death Certificate Information: Give all the information you have available for the identification of the record.