20.—(1) Nothing in this Order affects prejudicially any estate, right, power, privilege, authority or exemption of the Crown and in particular and without prejudice to the generality of this nothing in this Order authorises the Company to take, use, enter on or in any manner interfere with any land or hereditaments (including any portion of the shore or bed of the sea or of any river, channel, creek, bay or estuary) or any rights of whatsoever description—
(a)belonging to Her Majesty in right of Her Crown and under the management of the Crown Estate Commissioners, without the consent in writing of those Commissioners; or
(b)belonging to a Government Department or held in trust for Her Majesty for the purposes of a Government Department, without the consent in writing of that Government Department.
(2) A consent under paragraph (1) may be given unconditionally or subject to such conditions and on such terms as may be considered necessary or appropriate.