(1) A layered unit title development is a grouping of unit title developments in which—
(a) there is 1 head unit title development; and
(b) there is at least 1 subsidiary unit title development.
(2) For the purpose of this Act, a reference to the base land in relation to a subsidiary unit title development means the land from which its head unit title development was subdivided.
(3) Examples 2 and 3 in Schedule 1 are diagrammatical illustrations of examples of layered unit title developments.