"(1) The right of appeal given by a particular provision of this part is to be read with any other provision of this part which restricts or otherwise affects that right. (4) Part III of Schedule 4 makes provision: (a) with respect to the determination of appeals under this part, and (b) for further appeals. (5) For the purposes of the Immigration Acts, an appeal under this part is to be treated as pending during the period beginning when notice of appeal is given and ending when the appeal is finally determined, withdrawn or abandoned."
"'Determination' means the decision of the Appellate Authority to allow or dismiss an appeal and the reasons for that decision."
"(5) Where the Adjudicator determines as a preliminary issue that the Notice of Appeal was not given within the period specified by Rule 6, then, except where a deportation is in force, in respect of the Appellant, the Adjudicator may allow the appeal to proceed if he is satisfied that by reason of special circumstances it just to do so."
"2(3)(a) an appeal is determined when written notice is sent of the decision whether or not the appeal should be allowed and expressions such as 'determination' and 'notice of determination' shall be construed accordingly."