Paragraph 17
No person shall operate any locomotive in any mine other than a person appointed by the manager of the mine to be a driver of that locomotive or of that type of locomotive (hereinafter referred to as “an appointed driver”) or a person so doing in the course of his duty in connection with the maintenance, repair or testing of that locomotive, and no appointed driver shall operate a locomotive hauling persons in vehicles unless he has attained the age of—
in the case of a mine of shale, eighteen years;
in the case of any other mine, twenty-one years.
A manager shall not appoint any person to be an appointed driver unless that person is the holder of a certificate that he is competent without supervision to operate a locomotive of the type in question given by a person responsible for his training in such operation.
The manager shall supply to every appointed driver a copy or summary of so much of the transport rules of the mine as affect the discharge of his duties.