60Supplementary provisions as to declarations.
(1)Any declaration made under this Part, and any application for such a declaration, shall be in the form prescribed by rules of court.
(2)Rules of court may make provision—
(a)as to the information required to be given by any applicant for a declaration under this Part;
(b)as to the persons who are to be parties to proceedings on application under this Part;
(c)requiring notice of an application under this Part to be served on the Attorney-General.
(3)No proceedings under this Part shall affect any final judgement or decree already pronounced or made by any court of competent jurisdiction.
(4)The court hearing an application under this Part may direct that the whole or any part of the proceedings shall be heard in camera, and an application for a direction under this subsection shall be heard in camera unless the court otherwise directs.