Nicotine is classed like a Timetable 7 ‘unsafe poison’. As such it really is illegal to acquire, possess or use nicotine for vaping without a prescription from a doctor. On the other hand, nicotine in tobacco and nicotine alternative products are exempt and freely available. ACT passed regulations in 2017 https://vapingoz.com.au/product-category/alibarbar/alibarbar-ice-adjust-12000/