‘The Court of Justice of the European Union shall have jurisdiction to give preliminary rules concerning: (a) The interpretation of the Treaties; 10 (b) The validity and interpretation of acts of the institutions, bodies, offices or agencies of the Union; Where such a question is raised before any court or tribunal of a Member State, that court or tribunal may, if it considers that a decision on the question is necessary to enable it to give judgment, request the Court to 15 give a ruling thereon. Where any such question is raised in a case pending before a court or tribunal of a Member State against whose decisions there is no judicial remedy under national law, that court or tribunal shall bring the matter before the Court.’ 20 19. Mr Gammie’s first submission on behalf of the Trustee is that in the unprecedented circumstances arising from the service of the notice under Article 50, the Upper Tribunal is in effect ‘a tribunal of a Member State against whose decision there is no judicial remedy under national law’