Sch 2 para 3 Constitution of the committees
(1) The quorum for a meeting of the preliminary investigation committee is to be three, of whom— (a) one must be a lay person; and (b) one must be a registered person. (2) The quorum for a meeting of the disciplinary committee is to be five, of whom— (a) two must be lay persons; and (b) two must be registered persons.