Register your trust within 90 days of the trust becoming liable for tax or on or before 1 September 2022 (whichever is later). A Deed of Trust is a legal document.The following Private Client precedent provides comprehensive and up to date legal information on Deed modifying trustadding beneficiaries. If you are considering a Declaration of Trust, it is important to understand what it is and how it can impact your legal and financial situation. A declaration of trust may create a new trust or may confirm the terms of an existing trust. You can use this form to tell us about changes to the trustees named on your account. • Please do not use this form if a trustee has died. A trust is a legal arrangement for managing assets. There are different types of trusts and they are taxed differently. You can use our trust amendment document builder and free templates to amend your living trust.