(1) If a warrant in relation to premises is being executed and the occupier of the premises or another person who apparently represents the occupier is present at the premises, the person is, subject to Part IC, entitled to observe the search being conducted.
(2) The right to observe the search being conducted ceases if the person impedes the search.
(3) This section does not prevent 2 or more areas of the premises being searched at the same time.