Tax on Australian Income for Non Residents

To understand your tax situation, you first need to work out if you are an Australian or foreign resident for tax purposes.

Did you know you can be an Australian resident for tax purposes without being an Australian citizen or permanent resident; and
May have a visa to enter Australia, but are not an Australian resident for tax purposes?

https://www.ato.gov.au/Business/International-tax-for-business/In-detail/Australian-income-of-foreign-residents/Tax-on-Australian-income-for-foreign-residents/