83. (1) Where—
(a) the Chief Executive or the Chairperson of the Grievances Committee is required under this Act to give a notice in writing to a person in respect of the making of a reviewable decision; or
(b) the Chief Executive is required under paragraph 58 (4) (a) to publish a notice in the Gazette in respect of the making of a reviewable decision;
the notice shall—
(c) include a statement to the effect that, subject to the Administrative Appeals Tribunal Act 1989 , an application may be made to the Administrative Appeals Tribunal for a review of that decision; and
(d) except where subsection 26 (11) of that Act applies—include a statement to the effect that a person whose interests are affected by the decision may request a statement pursuant to section 26 of that Act.
(2) The validity of a reviewable decision shall not be taken to have been affected by a failure to comply with subsection (1).