215 ILCS 5/155.54

Where an indebtedness is repayable in substantially equal installments, the amount of insurance shall at no time exceed the scheduled or actual amount of unpaid indebtedness, whichever is greater. (b) Credit Accident and Health Insurance The total amount of indemnity payable by credit accident and health insurance in the event of disability, as defined in the policy, shall not exceed the aggregate of the periodic scheduled unpaid installments of the indebtedness and the amount of each periodic indemnity payment shall not exceed the original indebtedness divided by the number of periodic installments.