The day to be specified in the summons shall be fixed with reference to the state of the file and the distance that the defendant may be or be supposed to be at the time from the place where the Court is held, and the summons shall order the defendant to producing document which he may have in his possession of which the plaintiff demands inspection, or upon which the defendant may intend to rely in support of his defence. It shall also enjoin him to bring with him his witnesses if they are willing to attend without issue of process; and shall be in the form (A) contained in the Schedule to this Act, or to the like effect.