2 CAR § 163-103
(a) The buyer, seller, and any dealer or market operator of sheep and goats, whether or not the animals are required to be identified, must maintain business records, such as:
(b)
(3) Records required of persons who apply official identification to animals or who are involved in the change of ownership of identified animals are to include:
(i) The name and address of the person who consigned the animal for change of ownership or from whom the animal was received.
(ii) If such animal was purchased at an auction, the name and address of the auction market, and the date of such consignment and purchase shall be included;