Paragraph 3
The rules may make provision about evidence and information, including provision—
requiring Commissioners to send to the Secretary of State copies of such documents as the rules may specify;
requiring the Secretary of State to provide specified information to Commissioners;
for the giving of evidence by or on behalf of the Secretary of State, the Police Service of Northern Ireland and others;
about the way in which information or evidence is to be given;
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;
preventing a person from calling any witness without leave of Commissioners.