“Pest control dealer” means any person, including any manufacturer, distributor, or retailer who engages in any of the following business activities:

1. (a) Selling pesticides to users for an agricultural use.
2. (b) Selling to users any method or device for the control of agricultural pests, such as biological agents, lures, or insect-trapping devices.
3. (c) Soliciting sales of pesticides by making agricultural use recommendations through field representatives, or other agents.
4. (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.