28. For rule 17 (time limits for making an application for permission to appeal) substitute—
“17.—(1) An application under rule 24(1) of the Principal Rules must be sent or delivered to the Tribunal so that it is received no later than 2 days after the date on which the party is served with written reasons for the decision.
(2) If a person makes an application under rule 24(1) of the Principal Rules later than the time required by paragraph (1)—
(a)the Tribunal may extend the time for appealing if satisfied that by reason of special circumstances it would be unjust not to do so; and
(b)unless the Tribunal extends time under sub-paragraph (a), the Tribunal must not admit the application.”.