ROW: Administrative Modification Template. A Satisfaction of Security Instrument is a document that shows an individual has paid a deed of trust or a mortgage in full.This conveyance is made in accordance with the provisions of the Act of June 18, 1934 (48 Stat. 984). In the form of publications, as is analysed further below. 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. (A) "Security Instrument"means this document, which is dated. ,. ______, together with all Riders to this document. A Satisfaction of Security Instrument is a document that shows an individual has paid a deed of trust or a mortgage in full. This is a Readymade Format for Deed for the Appointement of a New Trustee.