Borrower shall pay to Lender on the day Periodic Payments are due under the Note, until the Note is paid in full, a sum (the "Funds") to provide for payment of. The deed of trust is what secures the promissory note.A Deed of Trust or Promissory Note may be signed to another lender. This modification of promissory note, deed of trust, security agreement and fixture filing, assignment of leases and other loan documents. This article discusses the typical modifications of a note and reviews the use of a note modification agreement and the modification of note forms. A trust deed gives the third-party "trustee" (usually a title company or real estate broker) legal ownership of the property. A promissory note is marked as paid in full once the buyer pays the loan entirely, and the property buyer receives the deed.