12.—(1) An Bord shall as soon as may be after its establishment provide itself with a seal.

(2) The seal of An Bord shall be authenticated by the signature of the chairman of An Bord or some other member thereof authorised by An Bord to act in that behalf and the signature of an officer of An Bord authorised by An Bord to act in that behalf.

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