5 ILCS 177/10

(a) Except as otherwise provided in subsection (b), State agency Web sites may not use permanent cookies or any other invasive tracking programs that monitor and track Web site viewing habits; however, a State agency Web site may use transactional cookies that facilitate business transactions. (b) Permanent cookies used by State agency Web sites may be exempt from the prohibition in subsection (a) if they meet the following criteria: (1) The use of permanent cookies adds value to the user otherwise not available; (2) The permanent cookies are not used to monitor and track web site viewing habits unless all types of information collected and the State's use of that information add user value and are disclosed through a comprehensive online privacy statement.