22.— (1) Subject to Part 5, a witness to a Part 2 inquiry has the right to—

(a) be accompanied by his or her legal practitioner while giving evidence, and

(b) attend and be accompanied by his or her legal practitioner during—

(i) any public session of the inquiry, or

(ii) the giving of evidence by any other witness where, in the opinion of the chairman of the committee conducting the inquiry, that other witness is relevant to the first-mentioned witness.

(2) An officeholder who is the subject of a section 9 inquiry has the right to attend any session of the inquiry where evidence is being given.