California Code, Government Code - GOV § 12950.2

An employer may also provide bystander intervention training that includes information and practical guidance on how to enable bystanders to recognize potentially problematic behaviors and to motivate bystanders to take action when they observe problematic behaviors. The training and education may include exercises to provide bystanders with the skills and confidence to intervene as appropriate and to provide bystanders with resources they can call upon that support their intervention.