(1) For the purposes of all legal proceedings any question as to the meaning or effect of any of the Treaties, or as to the validity, meaning or effect of any EU instrument, shall be treated as a question of law (and, if not referred to the European Court, be for determination as such in accordance with the principles laid down by and any relevant decision of the European Court.
(2) Judicial notice shall be taken of the Treaties, of the Official Journal of the European Union and of any decision of, or expression of opinion by, the European Court on any such question as aforesaid; and the Official Journal shall be admissible as evidence of any instrument or other act thereby communicated of the EU or of any EU institution.
(3) Evidence of any instrument issued by a EU institution, including any judgment or order of the European Court or any court attached thereto, or of any document in the custody of a EU institution, or any entry in or extract from such a document, may be given in