The first order of business in a letter of instruction is to outline the details that will help family, friends, and surviving spouses through the trying hours. The bank will also need to see a copy of the Certificate of Trust naming the successor trustee, and the bank will have some forms that need to be filled out.These instructions are provided as a public service of the Butler County Probate Court, and are intended as a guideline only. Setting one up or adding a beneficiary is a simple matter of requesting the Payable on Death form from your bank. Book. You will need a tax release, death certificate, and Letters of Authority from probate court to have access to the account. Banks and other financial institutions will freeze accounts that are titled in the decedent's name alone. Click on the link(s) for the forms you'd like to download. Fill in the name of the decedent and have attorney sign. While no two letters are alike, however, the purpose is the same: to tell heirs and the executor of the Will how to proceed with the estate plan. For estates where the date of death is after 2012 no Ohio estate tax return is required.