2.—(1) If any of the tests in paragraph (1) is positive the centre veterinarian must ensure that–
(a)the bovine animal is isolated; and
(b)where the semen collected from it is held at the centre–
(i)the semen collected from the bovine animal since the last negative test is destroyed;
(ii)semen collected from all other bovine animals at the centre since the date when the positive test was carried out is held in separate storage; and
(iii)such semen is not used or supplied until the health status of the centre has been restored to the level required by the Directive and these Regulations.
(2) Where the semen has been supplied to any person from the centre, the centre veterinarian must notify that person that the semen is subject to the requirements of sub-paragraph (1)(b).
(3) Any person given notice under sub-paragraph (2) shall, if the semen is held by them, ensure that it is destroyed, held in separate storage or not used or supplied in accordance with sub-paragraph (1)(b).
(4) Where any person has been supplied with the semen, other than from the centre, and that person subsequently supplies that semen to any other person, paragraph (2) shall apply equally to that other person.