Gateville Law Firm can help you make changes to your will or trust according to the proper legal procedure. 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. We provide the option to conveniently download our Trust Amendment templates in either PDF or Word format, allowing you to complete them independently. 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. TO HAVE AND TO HOLD the said premises with the appurtenances upon the trusts and for the uses and purposes herein and in said trust agreement set forth. Amend an Existing Trust – Contingent Beneficiaries? A revocable living trust is a trust that is created and funded during your lifetime that you retain the power to amend or revoke. A trust amendment that can be used to modify an existing Illinois revocable trust instrument.