Learn how to download, draft and send sign your free promissory note template from Signeasy. Don't wait, Get Started Today!A Payoff Letter memorializes a debtor and lender's agreement regarding a debt obligation's early payment and termination. To request a payoff quote, please complete the payoff quote form. This form is intended for 3rd parties acting on behalf of Mr. Cooper customers. Event of Default in the payment of this Note. 2.8. Late Charge; Default Interest Rate. Find top rated Texas promissory note lawyers. Post your legal needs and get proposals from vetted lawyers in TX for your agreement. To request repayment, you will want to send a demand for payment letter.