Evidence and information
3. The rules may make provision about evidence and information, including provision—
(a)requiring Commissioners to send to the Secretary of State copies of such documents as the rules may specify;
(b)requiring the Secretary of State to provide specified information to Commissioners;
(c)for the giving of evidence by or on behalf of the Secretary of State, the Police Service of Northern Ireland and others;
(d)about the way in which information or evidence is to be given;
(e)for evidence or information about a prisoner not to be disclosed to anyone other than a Commissioner if the Secretary of State certifies that the evidence or information satisfies conditions specified in the rules;
(f)preventing a person from calling any witness without leave of Commissioners.