225 ILCS 710/45.02: Assistants to the foreman.

Whenever a mine foreman cannot personally carry out the provisions of this Act, so far as they pertain to him or her, the superintendent shall authorize him or her to employ a sufficient number of competent persons to act as his or her assistants, who shall be subject to his or her order, each of whom shall be known as "assistant mine foreman", and they shall carry on the duties of the mine foreman as directed by him or her and as prescribed in Section 20 of this Act.