3.—(1) The occupier of any farm all or part of which is in a nitrate vulnerable zone shall ensure that the action programme set out in the Schedule is implemented in relation to any land comprised in the farm and in the nitrate vulnerable zone.
(2) For the purposes of paragraph (1), the occupier of a farm shall not cease to be the occupier of the whole of the farm by reason of another agricultural producer using part of the land comprised in the farm.