1U.K.The following aspects of the constitution are reserved matters, that is—
(a)the Crown, including succession to the Crown and a regency,
(b)the Union of the Kingdoms of Scotland and England,
(c)the Parliament of the United Kingdom,
(d)the continued existence of the High Court of Justiciary as a criminal court of first instance and of appeal,
(e)the continued existence of the Court of Session as a civil court of first instance and of appeal.