Set loan terms with larger payments at the end. Here's the information you'll need to have handy to complete your secured promissory note, installment with balloon final payment.Lender shall provide Borrower with a final written statement of monies due prior to the due date of the balloon payment. The Texas Real Estate Lien Note is a oneway agreement in which the signer makes a promise to pay someone a specific sum of money at a specific time. Typically, an owner finance transaction is set up using three documents. A balloon payment clause refers to a provision in a loan agreement that requires the borrower to make one large payment at the end of the loan term.