(1) A person must not perform permit demolition work unless (a) there is a valid demolition permit in force in respect of the demolition work; or(b) the demolition work is incidental to the performance of permit building work and there is a valid building permit in force in respect of the permit building work.Penalty: Fine not exceeding 100 penalty units.(2) In addition to any penalty imposed under this section, a permit authority may take any necessary action, in relation to permit demolition work performed other than in accordance with a demolition permit, a building permit or an order under this Act, required to ensure the work complies with this Act.