4.—(1) The person who at the coming into force of this Order is the Lord Privy Seal and any successor to that person is by that name a corporation sole.
(2) The corporate seal of the Lord Privy Seal—
(a)is to be authenticated by the signature of the Lord Privy Seal or a person authorised by the Lord Privy Seal to act in that behalf, and
(b)is to be officially and judicially noticed.
(3) Every document purporting to be an instrument made or issued by the Lord Privy Seal and to be—
(a)sealed with the corporate seal of the Lord Privy Seal authenticated in the manner provided for by paragraph (2), or
(b)signed or executed by a person authorised by the Lord Privy Seal to act in that behalf,
is to be received in evidence and to be deemed to be so made or issued without further proof, unless the contrary is shown.
(4) A certificate signed by the Lord Privy Seal that any instrument purporting to be made or issued by the Lord Privy Seal was so made or issued is conclusive evidence of that fact.
(5) The Documentary Evidence Act 1868(1) applies in relation to the Lord Privy Seal as if—
(a)the Lord Privy Seal were mentioned in the first column of the Schedule,
(b)any person authorised to act on behalf of the Lord Privy Seal were mentioned in the second column of the Schedule, and
(c)the references in section 2 to any regulation issued by or under the authority of an officer mentioned in the first column of the Schedule included references to any document issued by or under the authority of the Lord Privy Seal.