225 ILCS 610/12
The Department shall make such reasonable regulations for the carrying on and conduct of such business as it may deem advisable and all persons engaged in such business shall comply therewith. The Department, or its representatives, in performing the duties vested in it under this Act is empowered to enter, during usual working hours, any premises, buildings, or other places where dead animals or used cooking grease and cooking oil may be found, for the purpose of administering the provisions of this Act.
Licensees shall comply with rules, bulletins, manuals of procedure and guidelines pertaining to renderers and blenders and the handling and distribution of condemned or inedible meat or poultry products which implement the Federal Meat Inspection Act and the federal Poultry Products Inspection Act. Such rules, bulletins, manuals and guidelines shall become effective on the date designated by the United States Department of Agriculture.
225 ILCS 610/12