173.—(1) The Board shall, as soon as may be after its establishment, provide itself with a seal.

(2) The seal of the Board shall be authenticated by the signature of—

(a) the chairperson of the Board or another member of the Board authorised by the Board to act in that behalf, and

(b) the Director or a member of the staff of the Board authorised by the Board to act in that behalf.

(3) Judicial notice shall be taken of the seal of the Board and every document purporting to be an instrument made by the Board and to be sealed with the seal of the Board (purporting to be authenticated in accordance with subsection (2)) shall be received in evidence and be deemed to be such instrument without proof unless the contrary is shown.