(1) An appropriate person for premises entered under a provision referred to in section 513 is (subject to subsections (2) and (3) of this section) entitled to observe the exercise of powers while on the premises if the appropriate person is present at the premises while those powers are being exercised.
(2) The right to observe the exercise of powers ceases if the appropriate person impedes the exercise of those powers.
(3) This section does not prevent:
(a) powers being exercised in 2 or more areas of the premises at the same time; or
(b) a direction requiring the appropriate person to leave the premises being given under section 446 (directions during biosecurity emergencies).