California Code, Food and Agricultural Code (Formerly Agricultural Code) - FAC § 31108.5

(a)(1) Upon relinquishment of a dog to a public or private shelter, the owner of that dog shall present sufficient identification to establish his or her ownership of the dog and shall sign a statement that he or she is the lawful owner of the dog.

(2) Any person who provides false information pursuant to this subdivision about his or her ownership of the dog shall be liable to the true owner of the dog in the amount of one thousand dollars ($1,000).