S-2.1, r. 8.1 - Hazardous Products Information Regulation
31. The training and information program must be updated annually or as soon as the situation requires it, including
(1) if a new hazardous product for which the workers have not received training or information is present in the workplace; and
(2) if a change occurs in the workplace that has an impact on work methods, on the risks of exposure to a hazardous product or on the procedure to be followed in an emergency.