A New Tax System (Indirect Tax and Consequential Amendments) Act 1999 (176 of 1999)
Schedule 1 Indirect Tax Acts
Part 1 Amendment of the A New Tax System (Goods and Services Tax) Act 1999
161 Section 195-1
substantial renovations of a building are renovations in which all, or substantially all, of a building is removed or replaced. However, the renovations need not involve removal or replacement of foundations, external walls, interior supporting walls, floors, roof or staircases.