art 9 Additional identification requirements for movements of pigs to shows, porcine semen centres etc.
(1) No person may move a pig off a holding— (a) to a show or exhibition; (b) for breeding purposes with the intention of returning the pig to the holding from which it was moved; or (c) for the purpose of collection of semen at a porcine semen centre, unless it is marked in accordance with article 7 or with a herdmark that includes a unique individual identification number.