In any case where—
neither Part II of the Landlord and Tenant Act 1954 (security of tenure of business premises) nor the Tenancy of Shops (Scotland) Act 1949 (security of tenure of shop premises in Scotland) shall apply to that tenancy.
For the purposes of this section, a person shall be regarded as having an interest in a network or railway facility if he has an estate or interest in, or right over, any of the property which constitutes, or is comprised in, the network or railway facility.
Any reference in this section to a network or a railway facility includes a reference to any part of a network or railway facility.
In this section—
"agreement" includes a lease, underlease or sublease (as well as a tenancy agreement or an agreement for a lease, underlease or sublease);
"tenancy" has the same meaning as it has in Part II of the Landlord and Tenant Act 1954 or, in Scotland, as it has in the Tenancy of Shops (Scotland) Act 1949.