The easy answer: Yes, you may notarize out-of-state documents. Instead, they must use a separate certificate that exactly matches state-required wording.Missouri Deed of Trust Form. Use our Deed of Trust to create a contract in which a third-party holds property until a borrower pays back debt to the lender. Take the original signed and notarized Deed of Trust and Promissory Note to the County Recorder's Office for the county where the property is located. Yes, a deed must always be notarized and filed in public records. Deeds are a formal document that verifies legal interest in a property and the right to sell. Today's article will provide the five top points to remember when you are handling an assignment involving a trust as the principal signer. In real estate transactions, a trust deed transfers the legal title of a property to a third party until the borrower repays their debt to the lender. Widely used forms for the conveyance of real property in this state are warranty deeds and quitclaim deeds.