This article analyzes the tax residency and taxation of income of Mr. Tom for the years 2016-17 and 2017-18 under Australian Income Tax Assessment Act. It discusses the four tests for determining tax residency, which includes residence under ordinary concepts, permanent place of abode and domicile test, test of 183 days, and Commonwealth superannuation fund test. The article concludes that the salary income of Mr. Tom shall not be taxed in Australia for both years while the income received in the form of rent, interest, and billing shall be taxable in Australia.