(1)This Act shall apply to a tenancy from the Crown if there has ceased to be a Crown interest in the land subject to it.
(2)A variation of any such tenancy effected by or in pursuance of an order under section 38 shall not, however, be treated as binding on the Crown, as a predecessor in title under the tenancy, by virtue of section 39(1).
(3)Where there exists a Crown interest in any land subject to a tenancy from the Crown and the person holding that tenancy is himself the landlord under any other tenancy whose subject-matter comprises the whole or part of that land, this Act shall apply to that other tenancy, and to any derivative sub-tenancy, notwithstanding the existence of that interest.
(4)For the purposes of this section "tenancy from the Crown" means a tenancy of land in which there is, or has during the subsistence of the tenancy been, a Crown interest superior to the tenancy, and "Crown interest" means—
(a)an interest comprised in the Crown Estate;
(b)an interest belonging to Her Majesty in right of the Duchy of Lancaster;
(c)an interest belonging to the Duchy of Cornwall;
(d)any other interest belonging to a government department or held on behalf of Her Majesty for the purposes of a government department.