Secure your transaction with our notarized bill of sale template. Six states actually require that a bill of sale be notarized before it can be used to transfer the title of a vehicle.You simply write them a bill of sale. Learn how to notarize a document in five simple steps. The National Notary Association has helped Notaries perform their duties for over sixty-five years. "(Personalized Seal)" in the following examples means a seal containing the words "Notary Public, State of Texas" around a star of five points, the notary. This document can serve as a receipt of the transaction, providing protections to both buyer and seller. All pertinent documents contain the new 2015 Notary Requirement.