225 ILCS 705/35.02

The State Mine Inspector shall ascertain whether the provisions of Section 35.01 of this Article are being complied with in his district, and if he finds that any corporation, company, firm or individual is violating the provisions of this Article, he shall at once institute suit in the name of the People of the State of Illinois, in the circuit court, for the recovery of the penalty provided for in this Article, and the State's Attorney of the county in which such suit is brought, when notified by the State Mine Inspector, shall prosecute such suit as provided by law in other State cases.