240 ILCS 10/15: Interference with or impersonation of Commission staff.

No person shall in any way or manner obstruct, hinder or molest any Commission staff member in the performance of his duties as required by this Act. It is unlawful for any person to falsely represent that he is a Commission staff member or to falsely represent that he is authorized to inspect warehouses on behalf of the Commission, or to demand of any operator the examination or production of the records of such operator unless he is a duly authorized Commission staff member.