California Code, Food and Agricultural Code (Formerly Agricultural Code) - FAC § 11407

(a) Selling pesticides to users for an agricultural use.

(b) Selling to users any method or device for the control of agricultural pests, such as biological agents, lures, or insect-trapping devices.

(c) Soliciting sales of pesticides by making agricultural use recommendations through field representatives, or other agents.

(d) Selling to a user a pesticide classified pursuant to Section 14004.5 as a restricted material that requires either a permit for possession and use or which may be used only by or under the direct supervision of a certified applicator.