Appeals from Immigration Appeal Tribunal
23(1)If the Immigration Appeal Tribunal has made a final determination of an appeal brought under Part IV, any party to the appeal may bring a further appeal to the appropriate appeal court on a question of law material to that determination.
(2)An appeal under this section may be brought only with the leave of the Immigration Appeal Tribunal or, if such leave is refused, of the appropriate appeal court.
(3)“Appropriate appeal court” means—
(a)if the appeal is from the determination of an adjudicator made in Scotland, the Court of Session; and
(b)in any other case, the Court of Appeal.