s 7 Interpretation.
(1) In this Act, except in so far as the context otherwise requires, the following expressions have the meanings hereby assigned to them respectively, that is to say:— “ action ” includes a counterclaim, and any reference to the plaintiff in an action shall be construed accordingly; ... “ owner ”, in relation to any land, means a person who is the estate owner in respect of the fee simple thereof, or is entitled to a tenancy thereof (within the meaning of the Landlord and Tenant Act, 1954) for a term of years certain of which, at the time in question, not less than seven years remain unexpired, or is a mortgagee in possession (within the meaning of the Law of Property Act, 1925) where the interest mortgaged is either the fee simple of the land or such a tenancy thereof; “ prescribed ” means prescribed by rules under section 14 of the Local Land Charges Act 1975; (2) References in this Act to any enactment shall, except where the context otherwise requires, be construed as references to that enactment as amended by or under any other enactment.