110 ILCS 78/10: Disclosure of information.

When contacting or being contacted by prospective clients, each publisher of college textbooks shall disclose, at that time and in writing (which may include electronic communications), all of the following to the faculty member or, if applicable, the other adopting entity in charge of selecting textbooks for courses taught at an institution:

(1) The copyright dates of the 3 previous editions of the college textbook, if any.

(2) A description of the substantial content changes made between the current edition of the college textbook or supplemental materials and the previous edition, if any.

(3) The existence and price of alternative formats of the college textbook or supplemental materials.