815 ILCS 122/2-60: Advertising.

(a) Advertising for loans transacted under this Act may not be false, misleading, or deceptive. Payday loan advertising, if it states a rate or amount of charge for a loan, must state the rate as an annual percentage rate. No licensee may advertise in any manner so as to indicate or imply that its rates or charges for loans are in any way recommended, approved, set, or established by the State government or by this Act.

(b) If any advertisement to which this Section applies states the amount of any installment payment, the dollar amount of any finance charge, or the number of installments or the period of repayment, then the advertisement shall state all of the following items:

(1) The amount of the loan.

(2) The number, amount, and due dates or period of payments scheduled to repay the indebtedness if the credit is extended.

(3) The finance charge expressed as an annual percentage rate.