In this Division:
"Registrar of the Tribunal" includes:
(a) a person:
(i) who has been appointed as an officer of the Tribunal under section 24PA of the AAT Act; and
(ii) to whom powers or functions have been delegated under section 10A(3) of the AAT Act; and
(b) a person who is authorised, under section 59B of the AAT Act, to be an authorised officer for the purposes of any provision of that Act or any other enactment.
"Tribunal" means the Administrative Appeals Tribunal.