Right of defendant to be present
6.—(1) The defendant shall be entitled to be present, if he wishes it, on the hearing of any appeal to the Court of Appeal under Part 2 of the Act to which he is a party, although he may be in custody.
(2) But if the defendant is in custody, he shall not be entitled to be present—
(a)where the appeal is on some ground involving a question of law alone; or
(b)on an application for leave to appeal; or
(c)on any proceedings preliminary or incidental to an appeal,
unless the Court of Appeal gives him leave to be present.