1. Gather all necessary information regarding the trust and trustees. A trust amendment form is a legal document you use to make changes to your revocable trust.It isn't meant to change your trust document as a whole. California Trust Amendment Form. Utilize our Trust Amendment form to implement modifications to a Revocable Living Trust. 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. Follow the steps below to complete your trust amendment form. A California Deed of Trust is a legal document used in real estate transactions in California. Deed of trust, loan agreement, instrument or document (collectively, the "Loan Documents") contemporaneously as when sent to Tenant.