This document restates the basic information included in the Promissory Note, as well as explains your responsibilities and rights as a borrower. Complete your Master Promissory Note (MPN) to acknowledge that you understand the terms and conditions of your federal student loans.A promissory note is a legal document between the borrower and lender for full mortgage repayment. Learn how promissory notes work and what is included. In this video I'm going to give you a really quick overview of what a promisory note is and how you can put one together really quickly. Such a document serves as the borrower's proof that the debt has been paid. Customer: I have a promissory note signed at closing and notarized for funds borrowed. Learn about the key elements of the cancellation of a promissory note clause to protect your interests and navigate financial agreements with confidence.