(1)The Secretary of State may, from time to time, by order define (by reference to its boundaries or situation, the area it occupies or any other characteristics of any kind whatsoever) any element of the tunnel system.
(2)The reference in subsection (1) above to an element of the tunnel system is a reference to any area, facility or work, and any description of equipment, incorporated in the tunnel system by virtue of section 1(7) of this Act.
(3)Where on or following the expiry or termination of the original Concession, as defined by section 1(4) above, there is agreement on a new Concession, references in this Act (other than section 1(1)(b) and (4)) to the Concession shall be read, in relation to any matter occurring after the new Concession comes into operation, as references to the new Concession.
(4)Subsection (3) above shall apply in relation to the expiry or termination of any such new Concession as it applies in relation to the expiry or termination of the original Concession.
(5)In this Act—
(a)references to agreement on a new Concession are references to the conclusion of any agreements or arrangements between Her Majesty’s Government in the United Kingdom and the Government of the French Republic on the one hand and any other persons on the other hand for the operation (and, where it has not yet been completed, the construction) by those persons of the tunnel system; and
(b)references to a new Concession are references to any such agreements or arrangements.
(6)The power to make an order under this section shall be exercisable by statutory instrument which shall be subject to annulment in pursuance of a resolution of either House of Parliament.