56. (1) A committee established under section 54 by a relevant body shall consist of such persons as are appointed by the relevant body.
(2) A committee may consist—
(a) wholly of members of the relevant body; or
(b) partly of members of the relevant body and partly of other persons.
(3) A member of a committee may resign his or her office by writing signed by the member and delivered to the relevant body.
(4) The relevant body may terminate the appointment of a member of a committee at any time.