(15 ILCS 310/15)
(from Ch. 124, par. 115)
Oaths, testimony, and the production of records.
each member of the Commission and the Director shall have power to administer
oaths, subpoena witnesses, and compel the production of books and papers
pertinent to any investigation or hearing authorized by this law. Any person
who shall fail to appear in response to a subpoena or to answer any question
or produce any books or papers pertinent to any such investigation or hearing
or who shall knowingly give false testimony in relation to any investigation
or hearing under this Act shall be guilty of a Class A misdemeanor.