Section 23. Exemptions.--(a) A farmer who qualifies as a certified private applicator under section 17 of this act is exempt from provisions of section 16 of this act relating to licenses and requirements.
(b) A landscape gardener who does not apply pesticides classified for restricted use is exempt from licensing provisions of this act.
(c) A veterinarian who does not apply pesticides classified for restricted use is exempt from licensing provisions of this act.