12.—(1) An appeal lies to the House of Lords(1) at the instance of the defendant or the prosecutor, from any decision of the Court of Appeal on an appeal to that court under paragraph 14(1) of Schedule 22 to the 2003 Act.
(2) The appeal lies only with the leave of the Court of Appeal or the House of Lords; and leave shall not be granted unless it is certified by the Court of Appeal that a point of law of general public importance is involved in the decision and it appears to the Court of Appeal or the House of Lords (as the case may be) that the point is one which ought to be considered by that House.
The appellate jurisdiction of the House of Lords under the Criminal Appeal Act 1968 c. 19 will be transferred to the Supreme Court following commencement on a date to be appointed under section 40(4) of, and paragraph 16 of Schedule 9 to, the Constitutional Reform Act 2005 c. 4.