"(2) The period within which an appeal to the Appeal Tribunal may be instituted is 42 days from the date on which extended reasons for the decision or order of the industrial tribunal were sent to the appellant, ..."
"(1) The time prescribed by these Rules of by order of the Appeal Tribunal for doing any act may be extended (whether it has already expired or not) or abridged, and that date appointed for any purpose may be altered by order of the Tribunal."
"Time for appealing runs from the date on which the document recording the decision or order of the Industrial Tribunal was sent to the appellant, notwithstanding ... an application has been made for a review."