All prepayments shall first be applied to outstanding late fees, then to accrued interest and thereafter to the principal loan amount. Fully formatted for recording.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. Home loan terms explained so you have a better understanding of the mortgage process. A list of mortgage terms and their definitions for your reference. Here's the information you'll need to have handy to complete your unsecured promissory note, interest-only with balloon final payment. , whose address is 780 N.E. 69TH STREET, APT. 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.