(1) In any proceedings by or against or before the Authority or by or against a Registrar, no proof is required (until evidence is given to the contrary) of—
(a) the due constitution of the Authority; or
(b) any determination of the Authority; or
(c) the appointment of a Commissioner or a Registrar; or
(d) the presence of a quorum at a meeting of the VBA Board.
(2) In this section—
"Registrar" means the Registrar of the Victorian Building Authority or the Registrar of the Building Appeals Board.