Set loan terms with larger payments at the end. 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. 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. A balloon payment is a large payment due at the end of a mortgage. Typically, the balloon payment is equal to the remaining principal and interest due when the Note reaches the end of its term.