(815 ILCS 408/3) (was 720 ILCS 350/3)
Sec. 3.
Whenever a seller advertises that consumer goods are for sale without stating a price, but with words such as "prices reduced", "1/3 off", "50% off" or words of similar meaning, such ad shall clearly state whether services incidental to the proper use of the goods will require an extra charge.
(Source: P.A. 79-732.)