N.Y. Comp. Codes R. & Regs. tit. 6, § 325.7
(a) An individual must not engage in the commercial application of pesticides, the private application of restricted use pesticides, or the sale of restricted use pesticides, unless that individual is a certified applicator and possesses, on their person, a valid identification card issued by the department and makes such identification card available upon request of this department. Full certification is not required for:
(8) a doctor of veterinary medicine or a veterinary technician working under the veterinarian's direct supervision, licensed to practice within New York State. Such exemption from certification requirements applies only when engaged in the use of general use pesticides:
(c) No certified private pesticide applicator shall:
(d) Direct supervision of individuals under the instruction and control of a certified applicator.
(1) On-site direct supervision is required when technicians:
(2) With regard to an individual under the instruction and control of a certified private pesticide applicator or an apprentice:
(i) on-site direct supervision is required when an apprentice does any of the following: