You may also need to file your amendment form with your local court or county office, depending on the rules of your state. Utilize our Trust Amendment form to implement modifications to a Revocable Living Trust.To update your California living trust, first review the existing document. Identify the provisions you want to change. 1. Gather all necessary information regarding the trust and trustees. The simplest way to make a change to a living trust is with a trust amendment form. A living trust amendment allows you to make changes to an existing trust. Click on the link below to access the corresponding document in both Word and PDF format. First, you'll need to prepare and sign a new deed for the property. You'll usually need a grant form or quit claim form to transfer the deed.