State Immunity Under section 1(1) of the State Immunity Act 1978 (SIA 1978) ‘a State is immune from the jurisdiction of the courts of the United Kingdom except as provided in the following provisions of this Part of this Act'. One of the exceptions to this is within SIA 1978, s 6, which states: ‘(1) A State is not immune as respects proceedings relating to— (a) any interest of the State in, or its possession or use of, immovable property in the United Kingdom; or (b) any obligation of the State arising out of its interest in, or its possession or use of, any such property.’ However,