Article 3. Exemptions of California Food And Agricultural Code >> Division 7. >> Chapter 4. >> Article 3.

This chapter, except Section 14363, does not apply to any of the following:
  (a) Any livestock drug which is sold exclusively to, and used exclusively by, or under the direction of, a licensed veterinarian, nor to any livestock drug which is compounded by a registered pharmacist upon the prescription of a licensed veterinarian.
  (b) Any drug or other preparation which is dispensed or compounded by a registered pharmacist at the request of the purchaser if such drug or preparation is sold at retail.
  (c) Any commercial feed which is subject to Chapter 6 (commencing with Section 14901) of this division, irrespective of the presence in such commercial feed of any ingredients which otherwise would constitute a livestock drug.

This chapter also does not apply to any of the following:
  (a) Any livestock drug that is intended for, and that is used solely for, laboratory or experimental purposes.
  (b) Any substance that is intended for, and that is used primarily as a pesticide and that is registered as a pesticide under Chapter 2 (commencing with Section 12751).
  (c) Any biological product that is manufactured under a license issued by the United States Department of Agriculture or the State Department of Health.
  (d) Any drug that is required by federal law to be sold on prescription only.