4.—(1) The person who at the coming into operation of this Order is Secretary of State for Transport and his successors shall be, by that name, a corporation sole, with a corporate seal.
(2) The corporate seal of the Secretary of State for Transport shall be authenticated by the signature of a Secretary of State, or of a Secretary to the Department of Transport, or by a person authorised by a Secretary of State to act in that behalf.
(3) The corporate seal of the Secretary of State for Transport shall be officially and judicially noticed, and every document purporting to be an instrument made or issued by the Secretary of State for Transport and to be sealed with that seal authenticated in the manner provided by paragraph (2) above, or to be signed or executed by a Secretary to the Department of Transport or a person authorised as above, shall be received in evidence and be deemed to be so made or issued without further proof, unless the contrary is shown.
(4) A certificate signed by the Secretary of State for Transport that any instrument purporting to be made or issued by him was so made or issued shall be conclusive evidence of the fact.
(5) No stamp duty shall be chargeable on any instrument made by, to or with the Secretary of State for Transport.
5. In Schedule 2 to the Parliamentary Commissioner Act 1967 there shall be inserted at the appropriate place in alphabetical order the entry “Department of Transport”.