(1) A person entitled to attend and vote at a meeting may attend and vote at a meeting by the person's attorney.
(2) A person claiming to be the attorney of a person entitled to attend and vote at a meeting is not entitled to speak or vote as attorney at the meeting unless:
(a) the instrument by which the person was appointed as attorney has been produced to the trustee; or
(b) the trustee is otherwise satisfied that the person claiming to be the attorney of the person entitled to vote is the duly authorised attorney of that person.