(1) To the extent a matter about the committee's procedure is not provided for by this Act or the tribunal rules, the matter may be dealt with by directions under this section.
(2) The chairperson may issue directions of general application about the committee's procedures.
(3) The committee may issue particular directions for a hearing.
(4) Despite section 639(2), the committee may be constituted by the chairperson or deputy chairperson of the committee for the purpose of issuing particular directions for a hearing.