Can i work on both ABN & TFN simoltaneously?

Question

I'm a international student in australia & i want to know that can i earn income on both TFN & ABN ? is it legally ok to work on two jobs-one on abn & another on tfn simoltaneously?

Answer 1

An ABN is Australian Business Number and TFN is Tax File Number  

Answer 2

Through my knowladge, you only need TFN to work. You can work two jobs but will pay higher taxes too.