In this Division, "owner" in relation to a swimming pool or spa means—
(a) in the case of a swimming pool or spa on an allotment being purchased under a terms contract (as defined in section 2 of the Sale of Land Act 1962 ) under which the purchaser has become entitled to possession or to the receipt of the rents and profits, the purchaser of that allotment; and
(b) in the case of a swimming pool or spa on any other allotment, the owner of that allotment.