An Illinois Loan Agreement form is a legal document that outlines the terms and conditions between a lender and a borrower in the state of Illinois. The Illinois Loan Agreement form is a legal document that outlines the terms and conditions of a loan between a lender and a borrower based in Illinois.If your lender agrees to settle a debt for less than you owe, you'll need a written agreement of the terms. Use our IOU template to detail how borrowed money will be repaid. Original lien satisfaction letter ; Your Payment. This Promissory Note is executed in accordance with the laws of the State of Illinois. Find out whether your creditor must accept less than what you owe if you write "paid in full" on your check. "Streamline your mortgage process using our customizable Gift Letter for Mortgage template. This would mean that if the borrower does not repay the loan, the lender would be able to obtain full ownership of the security placed in the note. What happens if the borrower can't keep up with principal and interest payments?