Refresher training in relevant topics shall be provided to the operator when:
• The operator has been observed to operate the vehicle in an unsafe manner;
• The operator has been involved in an accident or near miss incident;
• The operator has received an evaluation that reveals that the operator is not operating the truck safely;
• The operator is assigned to drive a different type of truck; or
• A condition in the workplace changes in a manner that could affect safe operation of the truck.
