Edit, sign, and share sample letter to close trust account online. No need to install software, just go to DocHub, and sign up instantly and for free.Close the bank accounts belonging to the trust. Once this work is done, the trustee can terminate the trust and release himself from his fiduciary obligations. Need to write an attorney closing letter to clients? To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account. The trustee can terminate a living trust in just a few months. Here's what is involved of the process. In this guide, we'll discuss the process of creating a Trust-Based Estate Plan and how to transfer bank accounts to your Trust. I KNOW THERE IS A 30 DAY NOTICE AND OTHER LEGAL VERBIAGE.