Complete the Certificate of Trust. This set of forms is for use in probate proceedings.The forms must be filed in the probate court. A letter of instruction is an informal document in your estate planning toolkit. Creating a letter of instruction is an effective way to ensure your intentions are followed. Learn more about letters of instruction here. Clear instructions laid out in a living trust can help minimize disputes among family members. Living Trust Michigan - Attorney Glenn Matecun helps you create a living trust, decide if you really need one, and what kind you need. Paired with other estate planning documents (e.g. Do you know how to find out if you are a beneficiary on a bank account?