12.—(1) No person may introduce a non bovine animal into a bovine semen centre without the written authorisation of the centre veterinarian.
(2) The centre veterinarian may authorise the admission of domestic animals of non bovine species into a bovine semen centre provided–
(a)they are necessary for the operation of the centre;
(b)they present no risk of infection to those bovine animals whose semen is to be collected; and
(c)they fulfil the conditions laid down by the centre veterinarian.