[F22A.] [F2For the purposes of sub-paragraph (b) of the definition of “industrial hereditament”]N.I.
[F2(a)a hereditament shall be deemed not to be occupied and used as a factory if it is primarily occupied and used for any of the following purposes, or for a combination of any such purposes—
(i)the purposes of a retail shop;
(ii)the purposes of distributive wholesale business;
(iii)the purposes of storage;
(iv)the purposes of a public supply undertaking;
(v)any other purposes whether or not similar to any of the foregoing, which are not those of a factory;]
(b)a hereditament shall not be deemed not to be occupied and used as a factory by reason only of the fact that the owner or occupier of the hereditament is the only person working therein or that no other person working therein is in his employment;
(c)any place used by the occupier for the housing or maintenance of his road vehicles or as stables shall, notwithstanding that it is situated within the close, curtilage or precincts forming a factory and used in connection therewith, be deemed not to form part of the factory.