New South Wales Consolidated RegulationsThe council shall not consent to the erection of a residential flat building on land within Zone No 2 (b) or 2 (c), unless the area of the allotment in square metres is not less than the area calculated by multiplying the number of dwelling in the residential flat building:
(a) in the case of land within Zone No 2 (b), by 250, or
(b) in the case of land within Zone No 2 (c), by 100.