52.—(1) A person seeking permission to appeal must make a written application to the Tribunal for permission to appeal.
(2) An application under paragraph (1) must be sent or delivered to the Tribunal so that it is received within 28 days after the latest of the dates that the Tribunal sends to the person making the application—
(a)written reasons for the decision;
(b)notification of amended reasons for, or correction of, the decision following a review; or
(c)notification that an application for the decision to be set aside has been unsuccessful.
(3) The date in paragraph (2)(c) applies only if the application for the decision to be set aside was made within the time stipulated in rule 51 or any extension of that time granted by the Tribunal.
(4) If the person seeking permission to appeal sends or delivers the application to the Tribunal later than the time required by paragraph (2) or by any extension of time under rule 6(3)(a) (power to extend time)—
(a)the application must include a request for an extension of time and the reason why the application was not received in time; and
(b)unless the Tribunal extends time for the application under rule 6(3)(a) (power to extend time) the Tribunal must not admit the application.
(5) An application under paragraph (1) must—
(a)identify the decision of the Tribunal to which it relates;
(b)state the grounds of appeal; and
(c)state the result the party making the application is seeking.