S-2.1, r. 14 - Regulation respecting occupational health and safety in mines

Full text
14. The number and identity of the persons underground must be determined in accordance with the following procedure:
(1)  before going underground, the worker shall leave his identification tag in the place designated check-in control; the tag shall bear the worker’s name or identification number;
(2)  after returning to the surface, the worker shall remove his identification tag from the place designated for check-in control and leave it in the place designated for check-out control;
(3)  whenever a person accompanies a worker underground, that worker shall attach another tag bearing the word “visiteur” to his own identification tag.
O.C. 213-93, s. 14.