20(1)A public benefit corporation must have—E+W
(a)a register of members showing, in respect of each member, the constituency to which he belongs and, where there are classes within it, the class to which he belongs,
(b)a register of members of the board of governors,
(c)a register of interests of the members of the board of governors,
(d)a register of directors,
(e)a register of interests of the directors.
(2)The constitution may make further provision about the registers including, in particular, admission to, and removal from, the registers.