Strata Schemes Management Act 2015 No 50
Current version for 1 July 2020 to date (accessed 7 July 2020 at 17:10)
Part 8 Division 1 Section 152
152   Owner must notify owners corporation of alteration to lot structure
The owner of a lot in a strata scheme must not alter the structure of a lot without giving to the owners corporation, not later than 14 days before commencement of the alteration, a written notice describing the proposed alteration.
Note.
 The right of an owner to alter the structure of a lot is also subject to other provisions of this Act relating to approvals that are required to carry out work affecting the common property.