You will need to apply for this registration if you intend to import luxury cars over the threshold from outside Australia (regardless if you will be using or commercially selling the vehicles), or sell a car in Australia that is above the threshold.
You may also need to be registered for the Luxury Car Tax (LCT) if you are a public institution and you purchase a luxury car locally that is a work of art or collectors piece and is only for public display. The LCT only applies if the vehicle is two years old or less.
Car value is calculated including any parts, accessories or attachments you purchase or import at the same time as the purchase of the vehicle. The LCT will only apply if the vehicle is two years old or less.
You can apply online via the business portal, though your registered tax agent or Business Activity Statement agent, by phone or by lodging the Add a New Business Account Form via the ATO Online Publication Ordering Service for Business (Business Login Portal).