26.—(1) Subject to paragraph (2), an authorised person may perform any of his or her functions under these Regulations in relation to land in which there is a Crown interest.
(2) An authorised person shall not perform any functions—
(a)in relation to land in which there is no interest other than a Crown interest; or
(b)in relation to land which is exclusively in Crown occupation.
(3) In this regulation—
“Crown interest” means any interest belonging to Her Majesty in right of the Crown or belonging to a government department or held in trust for Her majesty for the purposes of a government department; and
“Crown occupation” means occupation by Her Majesty in right of the Crown or occupation by a government department.