Lender shall provide Borrower with a final written statement of monies due prior to the due date of the balloon payment. Here's the information you'll need to have handy to complete your secured promissory note, installment with balloon final payment.Set loan terms with larger payments at the end. Installment Payments with a Final Balloon Payment : These are used mostly in mortgage loans. Use this unsecured promissory note (installment with balloon final payment) to make your loan official. Create and download a promissory note for free! Such table should also clearly indicate any balloon payments as well, with any required Civil Code language if it is related to a residential loan.