A promissory note need only be signed and does not require an acknowledgement before a notary public to be valid. When to Use a Promissory Note.4. Click on "Complete Aid Process" at the top of the page. 5. Under "Sign Loan Agreement" click on "Complete a Master Promissory Note (MPN" 6. How long will it take? Most people complete each MPN in less than 30 minutes. Welcome to ECSI's Electronic Promissory Note site. You will be able to complete, review and print your promissory note online. These templates simplify the process, providing a structured format that covers all necessary details, from repayment terms to interest rates. Complete the 2024-25 Federal Direct Stafford Loan Request Form and submit it to the Office of Financial Aid.