5.—(1) If a veterinary inspector has reasonable grounds for suspecting that either —
(a)a designated disease exists or has existed on any premises (whether or not notification has been made under article 4), or
(b)that poultry on any premises have been exposed to the risk of a designated disease,
(c)he or she shall, subject to paragraph (3), serve a notice on the occupier of the premises or on the keeper of any birds on the premises requiring him or her to comply with the requirements contained in Part 1 of Schedule 1 to this Order.
(2) If a veterinary inspector has reasonable grounds for suspecting that birds on any premises have been exposed to the risk of any disease, he or she may serve a notice on the occupier of the premises or on the keeper of any birds on the premises requiring him or her to comply with the requirements contained in Part I of Schedule 1 to this Order.
(3) In the case of any notice served under paragraphs (1)(b) or (2) a veterinary inspector may —
(a)disapply one or more of the requirements contained in Part 1 of Schedule 1 to this Order,
(b)limit the requirements that apply to a part of the premises and to the birds contained there, provided that the birds have been housed, kept and fed separately from birds kept in other parts of the premises and kept and fed by separate staff.
(4) For the purposes of paragraph (1)(a) “veterinary inspector” includes an inspector.
(5) In this article, exposure to risk of disease means exposure, either directly or indirectly, as a result of the movement of persons, animals or vehicles or in any other way.