In the case of a tenancy from the Crown this Part of this Act shall apply in favour of the tenant as in the case of any other tenancy if there has ceased to be a Crown interest in the land, and as against a landlord holding a tenancy from the Crown shall apply also if either—
For 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" and "the appropriate authority" in relation to a Crown interest mean respectively—
For the purposes of this Part of this Act, an interest belonging to the Welsh new towns residuary body in a tenancy of land is to be treated as if it were not an interest belonging to the Crown.
The restriction imposed by section 3(2) of the Crown Estate Act 1961 on the term for which a lease may be granted by the Crown Estate Commissioners shall not apply where the lease is granted by way of extension of a long tenancy at a low rent and it appears to the Crown Estate Commissioners that, if the tenancy were not a tenancy from the Crown, there would be a right to an extended lease under this Part of this Act.
Where, in the case of land belonging to Her Majesty in right of the Duchy of Lancaster or to the Duchy of Cornwall, it appears to the appropriate authority that a tenant under a long lease at a low rent would, if the tenancy were not a tenancy from the Crown, be entitled to an extended lease under this Part of this Act, then a lease corresponding to that to which the tenant would be so entitled may be granted to take effect wholly or partly out of the Crown interest by the same person and with the same formalities as in the case of any other lease of such land.
In the case of land belonging to the Duchy of Cornwall, the purposes authorised by section 8 of the Duchy of Cornwall Management Act 1863 for the advancement of parts of such gross sums as are therein mentioned shall include the payment to tenants of sums corresponding to those which, if the tenancies were not tenancies from the Crown, would be payable by way of compensation under section 17 above.