9.—(1) Rules of court must make provision requiring—
(a)notice of an application under section 1;
(b)notice of an application for a variation order;
(c)any information required to be given to the High Court in accordance with section 8(3)(a),
to be served by the applicant on the Attorney General.
(2) On an application for a declaration under section 1 or an application for a variation order the High Court may at any stage in the proceedings, of its own motion or on the application of any party to the proceedings, direct that all necessary papers in the matter be sent to the Attorney General.
(3) The Attorney General may—
(a)intervene in the proceedings on any application referred to in subsection (1) in such manner as the Attorney General thinks necessary or expedient, and
(b)argue before the Court any question in relation to the application which the Court considers it necessary to have fully argued.