To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account. In this guide, we'll discuss the process of creating a Trust-Based Estate Plan and how to transfer bank accounts to your Trust.A letter of instruction, also known as a letter of intent, is an estate planning document that provides a variety of information. True co-owners of securities, like owners of realty, should act together in transferring the asset. A letter of instruction is a cheat sheet for anyone involved in settling your affairs. Unlike a will, this letter has no legal authority. Massachusetts inheritance tax is due on future interests on other trusts that fall in as a result of the decedent's death. If not, have the bank officer call us. If someone close to you has passed away and you need to take care of their things, you can set up a meeting with us here. Successor Trustees may request the trust account to be updated or closed and funds disbursed in the name of the trust.