(1) A person who may
exercise a power in this Act may authorise as many other persons to assist in
exercising the power as are reasonably necessary in the circumstances.
(2) A person so
authorised may exercise the power or assist the other person in exercising the
power, as the case requires.
(3) Whether authorised
to do so or not, a person may assist another person in exercising a power in
this Act if the person believes, on reasonable grounds, that the other person
—
(a) is
lawfully entitled to exercise the power; and
(b)
needs assistance for the purpose of doing so.
(4) A person who under
subsection (2) or (3) may exercise a power, or assist in exercising a power,
must obey any lawful and reasonable directions of the person who gave the
authorisation or who is being assisted.