Set up TFN
One of the first things you need to sort out when you arrive in Australia is a Tax File Number, also known as a TFN. This is basically Australia’s way or ensuring that companies and employees are contributing their tax correctly.
Your TFN is yours for life even if you change jobs, move interstate or leave the country. Thankfully, such a vital piece of data is pretty straightforward to get and should mean once you begin to work down under you won’t get taxed harshly.