(1) The commission must deal with an appeal as quickly as possible.
(2) The commission may--
(a) confirm the decision appealed against; or
(b) set aside the decision and substitute another decision; or
(c) set aside the decision and return the matter to the authority with directions the commission considers appropriate.
(3) Without limiting the industrial commission's powers under the Industrial Relations Act 1999, in deciding the appeal the industrial commission has the same powers as the authority.
(4) Subject to section 100, the commission's decision--
(a) is final and conclusive; and
(b) can not be impeached for informality or want of form.