section 784(3)


784(3) Where an application for a writ of habeas corpus ad subjiciendum is refused by a judge of a court having jurisdiction therein, no application may again be made on the same grounds, whether to the same or to another court or judge, unless fresh evidence is adduced, but an appeal from that refusal shall lie to the court of appeal, and where on the appeal the application is refused a further appeal shall lie to the Supreme Court of Canada, with leave of that Court.