art 62 Crown Rights
(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 the foregoing, nothing in this Order authorises any person to take, use, enter upon or in any manner interfere with, any land or interest in land (including any portion of the shore or bed of the sea or of any river, channel, creek, bay or harbour)— (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 terms and conditions. (3) For the purposes of this article, “government department” includes the Welsh Ministers where appropriate.