8.—(1) There may be exercised by a single judge in the same manner as by the Court of Appeal and subject to the same provisions the powers—
(a)to give leave to appeal to the Court of Appeal under Part 2 of the Act;
(b)to extend the time within which notice of application for leave to appeal may be given under article 3(3);
(c)to allow, under article 6, the defendant to be present at any proceedings which he would not otherwise be entitled to attend; and
(d)to order a witness to attend for examination under article 7.
(2) If the single judge refuses an application on the part of any party to exercise in his favour any of the powers specified in paragraph (1), the party shall be entitled to have his application determined by the Court of Appeal.