(225 ILCS 705/5.20) (from Ch. 96 1/2, par. 520)
Sec. 5.20.
He or his assistant shall be at his post at the mine when the men are lowered into the mine in the morning for work, and shall remain at night until all the men employed during the day shall have been hoisted up.
(Source: Laws 1953, p. 701.)