(1)For the purposes of proceedings before any court in Northern Ireland whether sitting with or without a jury, any question as to the effect of evidence given with respect to the law of any country or territory outside Northern Ireland shall be a matter to be determined by the judge of the court.
(2)Without prejudice to any other statutory provision or to any rule of law or practice, in proceedings before a court in Northern Ireland judicial notice may be taken of the law of England and Wales or of the law of the Republic of Ireland.
(3)In proceedings before a court in Northern Ireland a person who is suitably qualified to do so on account of his knowledge or experience is competent to give expert evidence as to the law of any country or territory outside Northern Ireland, irrespective of whether he has acted, or is entitled to act, as a legal practitioner in that country or territory.
(4)Where any question as to the law of any country or territory outside Northern Ireland with respect to any matter has been determined (whether before or after the commencement of this section) in any such proceedings as are mentioned in subsection (6), then in any subsequent proceedings before a court in Northern Ireland not otherwise empowered to take judicial notice of that determination—
(a)any finding made or decision given on that question in the first-mentioned proceedings shall, if reported or recorded in citable form, be admissible in evidence for the purpose of proving the law of that country or territory with respect to that matter; and
(b)if that finding or decision, as so reported or recorded, is adduced for that purpose, the law of that country or territory with respect to that matter shall be taken to be in accordance with that finding or decision unless the contrary is proved, but this paragraph shall not apply in the case of a finding or decision which conflicts with another finding or decision on the same question adduced by virtue of this subsection in the same proceedings.
(5)Except with the leave of the court, a party to any proceedings shall not be permitted to adduce any such finding or decision by virtue of subsection (4) unless, before the hearing at which he seeks to adduce it, written notice that he intends to do so has been served on each of the other parties to the proceedings or on his solicitor.
(6)The proceedings referred to in subsection (4) are the following, whether civil or criminal, namely—
(a)proceedings at first instance in any of the following courts, namely the High Court or the Crown Court, or the High Court or the Crown Court in England and Wales;
(b)appeals arising out of any such proceedings as are mentioned in paragraph (a);
(c)proceedings before the Judicial Committee of the Privy Council on appeal (whether to Her Majesty in Council or to the Judicial Committee as such) from any decision of any court outside the United Kingdom.
(7)For the purpose of this section a finding or decision on any such question as is mentioned in subsection (4) shall be taken to be reported or recorded in citable form if, but only if, it is reported or recorded in writing in a report, transcript or other document which, if that question had been a question as to the law of Northern Ireland, could be cited as an authority in legal proceedings in Northern Ireland.