Sch 2 para 3
(1) The quorum for a meeting of the Investigating Committee is three, of whom one must be a registered person. (2) The Council may make rules governing the Committee's meetings and procedure. (3) The rules may in particular provide— (a) for a member of the Committee to act as its chair in the absence of the member designated under paragraph 1(4); (b) for a member acting as chair to have an additional casting vote.