3.—(1) The person who at the coming into force of this Order is the First Secretary of State and any successor to that person shall be, by that name, a corporation sole.
(2) The corporate seal of the First Secretary of State shall—
(a)be authenticated by the signature of a Secretary of State or a person authorised by a Secretary of State to act in that behalf, and
(b)be officially and judicially noticed.
(3) Every document purporting to be an instrument made or issued by the First Secretary of State and to be—
(a)sealed with his corporate seal authenticated in the manner provided by paragraph (2), or
(b)signed or executed by a person authorised by a Secretary of State to act in that behalf,
shall be received in evidence and deemed to be so made or issued without further proof, unless the contrary is shown.