Separate production unitsE+W
13.—(1) The National Assembly may by notice served on the occupier of any premises (other than infected premises) investigated under article 12, declare that they are to be regarded as two or more separate production units if the Chief Veterinary Officer advises at the time of the veterinary inquiry that in his or her opinion—
(a)the premises comply with the criteria in paragraphs (a)-(c) of sub-paragraph 2A(7) of Schedule 3 to the Act; and
(b)each of those sub-paragraphs has applied continuously for at least—
(i)28 days immediately prior to the date of the inquiry, if only bovine animals or swine have been on the premises within that period, or
(ii)42 days immediately prior to that date in any other case.
(2) A declaration under sub-paragraph (1) must identify and designate the boundaries of each separate unit and must declare every separate unit which is free of disease, to be a free unit.
(3) A unit must cease to be a free unit on—
(a)variation of the notice declaring it such that it is no longer declared to be a free unit, or
(b)revocation of that notice.