section 693(1)


693(1) Where a judgment of a court of appeal sets aside a conviction pursuant to an appeal taken under section 675 or dismisses an appeal taken pursuant to paragraph 676(1)(a), (b) or (c) or subsection 676(3), the Attorney General may appeal to the Supreme Court of Canada (a) on any question of law on which a judge of the court of appeal dissents; or (b) on any question of law, if leave to appeal is granted by the Supreme Court of Canada.