815 ILCS 636/10.75
The charge determined by the lessor to be paid by the lessee for the privilege of making the lease payments as scheduled under a consumer lease. The term lease charge does not include any amount included in the capitalized cost or any delinquency, default, disposition, early termination, collection, or reinstatement charge. The term lease charge does not include the amount, if any, for taxes, registration, license, acquisition, administration, assignment and other fees, and charges for insurance, for accessories or their installation, for delivering, servicing, repairing, or improving the vehicle, and for other goods, benefits, or services incidental to the consumer lease, (a) included in the capitalized cost, (b) paid for separately at lease inception by cash, check, credit card, or similar means, or (c) paid for on a periodic basis in addition to the base lease payment. The lessor may calculate lease charges on any basis.
815 ILCS 636/10.75