85.— (1) A committee shall not direct a person to give evidence or a document to it, or attend before it to give evidence or a document to it, that is not relevant to the proceedings of the committee.

(2) Where a direction to which paragraph (a) or (b) of subsection (1) of section 83 relates is given to a person and the person is of the opinion that evidence or a document to which the direction relates is not relevant to the proceedings of the committee concerned and so informs the committee, the committee, after considering the opinion, shall either withdraw or confirm the direction.

(3) Subject to section 94 (where paragraph (c) of subsection (6) of that section applies), where the committee makes a decision under subsection (2), it shall give a notice in writing of the decision to the person to whom the direction concerned was given.