"(4) The reasons for the decision of the tribunal shall be given in summary form except where - (a) ... (b) a request that the reasons be given in extended form is made ... (c) ... by a party after the hearing either - (i) ... or
"contain an outline of the story ... a summary of the Tribunal's basic factual conclusions and a statement of the reasons which have led them to reach the conclusion ..."
"(1) Failure to comply with any requirements of these Rules shall not invalidate any proceedings unless the Appeal Tribunal otherwise directs.