(1)Nothing in Schedule 8 shall prevent a court from declining jurisdiction on the ground offorum non conveniens.
(2)Nothing in Schedule 8 affects the operation of any enactment or rule of law under which a court may decline to exercise jurisdiction because of the prorogation by parties of the jurisdiction of another court.
(3)For the avoidance of doubt, it is declared that nothing in Schedule 8 affects thenobile officium of the Court of Session.
(4)Where a court has jurisdiction in any proceedings by virtue of Schedule 8, that court shall also have jurisdiction to determine any matter which—
(a)is ancilliary or incidental to the proceedings; or
(b)requires to be determined for the purposes of a decision in the proceedings.