29.—(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 or Duchy 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 Duchy 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 an office holder in the Scottish Administration or held in trust for Her Majesty for the purposes of a government department or the Scottish Administration;
“Crown occupation” means occupation by Her Majesty in right of the Crown or occupation by a government department or the Scottish Administration; and
“Duchy interest” means an interest belonging to Her Majesty in right of the Duchy of Lancaster, or belonging to the Duchy of Cornwall.