4.—(1) The appellant may at any time before receiving notice of the date fixed for the hearing under paragraph 13 or of a decision of the Council under paragraph 11 —
(a)send copies of such additional documents as he or she wishes to rely on for the purpose of the appeal to the proper officer;
(b)amend or withdraw the appeal, or any part of it; or
(c)amend or withdraw any material submitted in support of the appeal.
(2) The appellant may at any time take any step mentioned in sub-paragraph (1) with the leave of the Council.
(3) Where an appellant withdraws an appeal he or she may not bring a fresh appeal in relation to the disputed decision.
(4) An appeal may be amended or withdrawn by sending to the proper officer an amended notice of appeal or a notice stating that the appeal is withdrawn, as the case may be.