Article 13 Presence of defendant at hearing

A defendant who is in custody shall not be entitled to be present on the hearing of an appeal to the House of Lords under section 183, 193 or 214 of the Act or of any proceedings preliminary or incidental thereto, except where an order of the House of Lords authorises him to be present, or where the House or the Court of Appeal, as the case may be, give him leave to be present.