225 ILCS 705/7.04
The Mining Board may grant a permit to operate a second motion engine, or internal combustion engine, at any mine employing not more than 10 men, to any person recommended to the Mining Board by the State Mine Inspector of the district. The applicant for such permit shall have filed with the Mining Board satisfactory evidence that he is a citizen of the United States or lawfully admitted for permanent residence, that he has had at least one year of experience in operating a steam engine, steam boiler, or internal combustion engine and understands the handling and care of the same. Such application shall be accompanied by a statement from at least three persons who will testify from their personal knowledge of the applicant that he is a man of good repute and personal habits, and that he has, in their judgment, a knowledge of and experience in handling boilers and engines as required in this section. Such permit shall apply only to the mine for which it was issued, and for a period not to exceed one year, except such permit, when it expires, may be renewed by the Mining Board from year to year if the person holding same requests renewal, and certifies by sworn statement that all the circumstances and conditions are the same as when said permit was originally issued.
225 ILCS 705/7.04