6.—(1) The occupier of any farm all or part of which is in a nitrate vulnerable zone shall permit the Department, its servant or agent (“the authorised person”), accompanied by such persons as appear to the authorised person to be necessary for the purpose, at all reasonable times, where necessary in order to monitor implementation of the action programme or to assess its effectiveness in reducing water pollution caused or induced by nitrates from agricultural sources and preventing further such pollution, to—
(a)enter upon the land;
(b)take samples;
(c)install and maintain equipment; or
(d)examine all records kept in implementation of the action programme.
(2) The occupier of any farm all or part of which is in a nitrate vulnerable zone shall render all reasonable assistance to any person acting by virtue of paragraph (1) and in particular shall—
(a)produce for inspection such document or record as may be reasonably required by that person; and
(b)at the reasonable request of that person, accompany him in making the inspection of any land.
(3) In this regulation, “occupier” shall be construed in accordance with regulation 3(2).