(1)The policing of the tunnel system shall be undertaken by constables under the direction and control of the Chief Constable of the police force for the county of Kent.
(2)The Railways Board may, on the application of the Chief Constable of the police force for the county of Kent, provide constables or other assistance for the policing of the tunnel system.
(3)Any constable so provided shall, when he is engaged in the policing of the tunnel system, be under the direction and control of the Chief Constable of the police force for the county of Kent and have the same powers as a constable who is a member of that force.
(4)The Concessionaires shall—
(a)make to the police committee for the county of Kent such payments in respect of the policing of the tunnel system; and
(b)provide for use in connection with the policing of the system such accommodation and facilities;
as the Concessionaires and that committee may agree or as may, in default of agreement, be determined by the Secretary of State.
(5)The police committee for the county of Kent shall make to the Railways Board such payments in respect of any assistance provided under subsection (2) above as the committee and the Board may agree or as may, in default of agreement, be determined by the Secretary of State.