815 ILCS 655/3: Advertisement.

(a) An advertisement for a rental-purchase agreement that refers to or states the amount of a payment or the right to acquire ownership of any one particular item under the agreement must clearly and conspicuously state:

(1) that the transaction advertised is a rental-purchase agreement;

(2) the total amount and number of payments necessary to acquire ownership; and

(3) that the consumer does not acquire ownership rights unless the merchandise is rented for a specified number of payment periods.

(b) Every item of property displayed or offered for rental-purchase by a merchant shall have attached to its front or displayed as prominently as if attached to its front a tag disclosing the amount to be paid to acquire ownership of the merchandise.