815 ILCS 423/2

Any person, firm or corporation violating the provisions of this act shall be deemed guilty of a business offense and upon conviction thereof shall be punished for the first offense by a fine of not less than one hundred dollars nor more than five hundred dollars, and for a second or subsequent offense by a fine of not less than five hundred dollars nor more than one thousand dollars. Each act done, prohibited by this act, shall constitute a separate violation and offense hereunder.