California Code, Food and Agricultural Code (Formerly Agricultural Code) - FAC § 12991

(a) Make any material or substantial misrepresentation.

(b) Make any false promises of a character likely to influence, induce, or deceive.

(c) Engage in illegitimate business or dishonest dealing.

(d) Cause to be published or distributed any false or misleading literature, or cause to be displayed any false or misleading advertisement.

(e) Use, store, transport, handle, or dispose of any pesticide, or of any container that holds or has held a pesticide, except in compliance with regulations of the director.

(f) Purchase for use in this state a pesticide that is labeled for agricultural use except from a person licensed as a pest control dealer pursuant to Section 12107. Persons using those products shall retain receipts of the purchase of the products for four years and make the receipts available for inspection upon request of the director or the commissioner.