(1) The Executive Council shall have an official seal which shall be officially and judicially noticed.
(2) The seal of the Executive Council shall, when affixed to any instrument or document, be authenticated by the signature of the President of the Executive Council or of the Vice-President or of a secretary or other officer of the Executive Council authorised by the President of the Executive Council to act in that behalf.
(3) Every document purporting to be an Order or other instrument issued by the Executive Council, and to be sealed with the seal of the Executive Council authenticated in manner aforesaid, shall be received in evidence and be deemed to be such Order or instrument without further proof, unless the contrary is shown.
(4) A certificate signed by the President or the Vice-President of the Executive Council that any Order or other instrument, purporting to be made or issued by the Executive Council, is so made or issued shall be conclusive evidence of the fact so certi
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