Section 15327 Of Article 4. Labeling And Warranty From California Food And Agricultural Code >> Division 7. >> Chapter 7.5. >> Article 4.

. Except as otherwise provided in this chapter, the registrant is not liable for any injury or damage that is suffered solely by reason of any of the following:
  (a) The use of the device for a purpose different from that represented by the label.
  (b) The use of the device contrary to the printed directions of the registrant.