The Deed of Trust is the primary security document used in Arizona. There are many similarities between the Deed of Trust and the Mortgage.In this article, we break down the fundamental requirements and procedures for executing a Deed of Trust in Arizona. Section 33-805 - Deed of trust as security. Deeds of trust may be executed as security for the performance of a contract or contracts. Do not fill in any information on the Deed of Trust. Do not have the Deed of Trust signed or acknowledged. The lien of any mortgage or deed of trust on any real property that is not otherwise satisfied or discharged expires at the later of the following times. A Deed of Trust is a real estate security document. Unlike a mortgage which only involves a borrower and a lender, these documents have three parties.