1.    The certification requirements of this chapter do not apply to an individual applying nonrestricted use pesticides under the direct supervision of a commercial applicator, unless the pesticide label requires that a certified applicator personally apply the pesticide. A pesticide is applied under the direct supervision of a commercial applicator if the pesticide is applied by an individual acting under the instruction and control of a certified applicator who is physically available if needed. The certified applicator need not be present when the pesticide is applied. Direct supervision with respect to applications using aircraft requires that the pilot of the aircraft be appropriately certified. The certification requirements of this chapter do not apply to a competent     person applying restricted use pesticides under the direct supervision of a private applicator, unless the pesticide label requires that a certified applicator personally apply the particular pesticide. A pesticide is deemed to be applied under the direct supervision of a private applicator if it is applied by a competent person acting under the instruction and control of a private applicator who is available if and when needed, even though the private applicator is not physically present at the time and place that the pesticide is applied.

2.    The certification requirements of this chapter do not apply to any person conducting laboratory-type research using restricted use pesticides or to a doctor of medicine or a doctor of veterinary medicine applying a pesticide as a drug or as medication during the course of normal practice.

3.    The certification requirements of this chapter do not apply to an individual applying nonrestricted-use antimicrobial pesticides.