Use our free payment plan agreement form to spell out all the terms and conditions of a loan if you need to establish a payment schedule with someone. A 10 day payoff is crucial to getting your old loans paid off during a refinance.Learn how it works from start to finish. A vehicle payment plan agreement is a contract between a buyer and seller of a vehicle that agrees to installment payments. A loan servicer is the entity that handles all billing and accepts loan payments. Privacy Opt Out Form. CONTACT US. Monday–Saturday. Create a Loan Payoff Letter online and download it as a PDF or Word document. Customize and print a blank Loan Payoff Letter for free. When will the money need to be repaid?