Section 16523 Of Article 2. Proof Of Ownership From California Food And Agricultural Code >> Division 9. >> Part 1. >> Chapter 3. >> Article 2.

. Evidence of ownership of a carcass may include a bill of sale, sales tag, or sales memorandum which shows all of the following:
  (a) The names of the seller and buyer.
  (b) The date of sale.
  (c) The quantity sold.