One of the important things that you should do after settling in Australia is applying for tax file number (Tax File Number). It is one of the requirements needed in your employment and claiming family tax benefits in Centrelink.
As a permanent resident of Australia, you can only apply TFN when you are actually permanently resided in Oz. You are not allowed to apply for it when you are still outside land down under.
It is very simple to apply for TFN because you can do it online. You can visit the website of Australia Tax Office in this link to begin your application.
You must select the link for Foreign passport holders, permanent migrants and temporary visitors. After that, click the button “Apply online for TFN”.
It’s simple. Just follow the necessary information they are looking for such as your passport details and other personal data.