225 ILCS 705/4.03

From the names appearing on the list on file in the office of the Mining Board, the Mining Board shall select and appoint one State Mine Inspector for each of the inspection districts provided for in this Act, and two additional State Mine Inspectors for the State at large, all such appointees to be selected in the order of their appearance on the list. Nothing herein contained shall affect the tenure of any person holding the position of State Mine Inspector on the effective date of this Act. No person shall be eligible for appointment as a State Mine Inspector who has any pecuniary interest in any coal mine in Illinois.