Dealers are defined as persons or firms not acting as agents who are engaged in selling or peddling nursery stock, who do not themselves grow more than 25 percent of the nursery stock handled by them. Dealers must, before exposing, offering or transporting for sale nursery stock, hold a dealer's certificate issued to them after application for this department for said certificate.
N.Y. Comp. Codes R. & Regs. Tit. 1 § 136.1