(225 ILCS 705/6.08) (from Ch. 96 1/2, par. 608)

Sec. 6.08. As evidence of his examination of said doors, rooms and roadways as provided for in this Article, he shall inscribe with chalk in some suitable place on the doors, the roof or walls of rooms and roadways, but not on the face of the coal, his initials and the date of his examination.

(Source: Laws 1953, p. 701.)