(3) Retraining. An employee shall receive additional training (or retraining) under any of the following conditions:
(a) If the supervision or annual inspections indicate that the employee is not complying with the safety-related work practices
(b) If new technology, new types of equipment, or changes in procedures necessitate the use of safety-related work practices that are different from those that the employee
would normally use
(c) If he or she must employ safety-related work practices that are not normally used during his or her regular job duties
(d) Retraining shall be performed at intervals not to exceed 3 years.