来到澳洲生活、工作，一个税务档案号码 (Tax File Number，TFN) 是必不可少的。有说，这个号码一如我们在澳洲的个人身份证明如同重要。 Source ...

Tax File Number (TFN) is a number that is unique to each person in Australia. It connects their earnings, superannuation and taxation to them. It’s assigned by the Taxation Commissioner.