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.A Promissory Note in Ohio is a legal document that outlines a borrower's promise to repay a specified amount of money to a lender under agreed-upon terms. Filling in a Blank Ohio Promissory Note: Everything You Should Know. Learn how to create an Ohio Secured Promissory Note Template. The template is available in two different formats: . Ready to simplify your lending process? Use this unsecured promissory note (installment with balloon final payment) to make your loan official. Create and download a promissory note for free! Easily create a legally binding contract with our free Promissory Note template.