(1) In this Part, except in so far as the context or subject-matter otherwise indicates or requires:
dealing includes a plan (other than a delimitation plan).
delimitation plan has the meaning ascribed to that expression by section 28S (1).
registrable form:(a) in relation to a dealing other than a plan, means that the dealing is in registrable form for the purposes of section 36, and(b) in relation to a plan, means that the plan is in a form in which it is immediately capable of being registered or recorded under the enactment providing for its registration or recording.(2) In this Part:(a) a reference to a legal or equitable estate in land includes a reference to a subsisting interest in land within the meaning of section 28A, and(b) a reference to recording a dealing in the Register shall, where the dealing is a plan, be construed as a reference to registering or recording the plan under the enactment providing for its registration or recording.(3) In this Part, a reference to a caveat lodged under section 74F includes a reference to a caveat which was lodged under section 28Y, 45H or 72 before the commencement of this Part but which has not ceased to be in force before that commencement.