How Do You Fill Out an Illinois Note? Download a template here.Outline the terms and conditions of your loan in Illinois. This assignment of mortgage may be used in Illinois to transfer a mortgage on real property from the existing mortgage lender to a new lender. View on Westlaw or start a FREE TRIAL today, FORM 55. Chattel Mortgage, Reference to Promissory Note—Retail Installment Sale, Legal Forms. Cook County Mortgage Form. Fill in the blank form formatted to comply with all recording and content requirements. This Promissory Note is executed in accordance with the laws of the State of Illinois. If interest is charged, the rate should be included with a repayment schedule.