4.—(1) The provisions of this Article are without prejudice to the circumstances in which an inspector may by virtue of the principal Order exercise the powers conferred by that Order.
(2) If an inspector knows or has reasonable grounds for suspecting that any Dutch potatoes are likely to be, or have been, landed in Northern Ireland in contravention of Article 3(1), he may –
(a)for the purpose of checking compliance with the principal Order; or
(b)for the purpose of exercising any of his powers under paragraph (4),
and on production of his authority if so required, take the steps in paragraph (3).
(3) The steps referred to in paragraph (2) are –
(a)to require any person, including any person in charge of the vessel, aircraft, vehicle, hovercraft or freight container from which the potatoes are likely to be landed or have been landed, to move the potatoes to any premises; or
(b)to prohibit any such person from moving, treating or destroying the potatoes or any container or package.
(4) For the purpose of checking compliance with this Order, an inspector may, on production of his authority if so required and at all reasonable times, enter any premises and –
(a)examine, photograph or mark any part of the premises or any object on the premises, including any potatoes;
(b)take samples of or from any potatoes or any container or package; and
(c)inspect, make copies of or, for the purpose of making copies, remove any documents or records (in whatever form they may be held) relating to the production of or trade in any potatoes.
(5) An inspector may, for the purpose of exercising any of his powers under paragraph (4), open, or authorise any person to open on his behalf, any container or package or require the owner or any person in charge of any container or package to open it, in such manner as the inspector may specify.
(6) Where any such document or record as is mentioned in paragraph (4)(c) is kept by means of a computer, an inspector may –
(a)have access to, and inspect and check the operation of, any computer and any associated apparatus or material which is or has been in use in connection with the document or record; and
(b)require any person having charge of, or otherwise concerned with the operation of, the computer, apparatus or material to afford him such assistance as he may reasonably require.