Canada Occupational Health and Safety Regulations

20.4 The employer shall identify all factors that contribute to work place violence, by taking into account, at a minimum, the following:

• (a) its experience in dealing with those factors and with work place violence;

• (b) the experience of employers in dealing with those factors and with violence in similar work places;

• (c) the location and circumstances in which the work activities take place;

• (d) the employees’ reports of work place violence or the risk of work place violence;

• (e) the employer’s investigation of work place violence or the risk of work place violence; and

• (f) the measures that are already in place to prevent and protect against work place violence.