Hearing of appeal
12. Every appeal must be considered at a hearing before an adjudicator, except where—
(a)the appeal—
(i)lapses pursuant to section 99 of the 2002 Act;
(ii)is treated as abandoned pursuant to section 104(4) of the 2002 Act;
(iii)is treated as finally determined pursuant to section 104(5) of the 2002 Act; or
(iv)is withdrawn by the appellant in accordance with rule 42; or
(b)a provision of these Rules or of any other enactment permits or requires an adjudicator to dispose of an appeal without a hearing.