4. In this Order–
(a)common or unenclosed land forms separate premises from other land unless–
(i)the parcels of land adjoin; and
(ii)all animals kept on both parcels of land are in the charge of the same keeper;
(b)a notice which is to be served on the occupier of premises wholly or partially comprising any common or unenclosed land is validly served if served on every keeper of animals kept there (so far as those persons are reasonably ascertainable);
(c)a requirement or restriction imposed on the occupier of premises wholly or partially comprising any common or unenclosed land applies to every keeper of animals kept there.