"Where the appellant wants to appeal against an order restricting public access to a trial the court must decide without a hearing -- (a) an application, including an application for permission to appeal; and (b) an appeal."
"Where a prosecutor or a defendant intends to apply for an order that all or part of a trial be held in camera for reasons of national security or for the protection of the identity of a witness or any other person, he shall not less than seven days before the date on which the trial is expected to begin serve a notice in writing to that effect on a Crown Court officer and the prosecutor or the defendant as the case may be."