18.—(1) Where the prosecution informs the court in accordance with Article 17(4) that it intends to appeal, the judge must decide whether or not the appeal should be expedited.
(2) If the judge decides that the appeal should be expedited, he may order an adjournment.
(3) If the judge decides that the appeal should not be expedited, he may—
(a)order an adjournment; or
(b)discharge the jury (if one has been sworn).
(4) If he decides that the appeal should be expedited, he or the Court of Appeal may subsequently reverse that decision and, if it is reversed, the judge may act as mentioned in paragraph (3)(a) or (b).