a) Sally is an Australian resident who is employed as a physician. He spends seven months in Argentina working for his employer on a public disaster fund project. How does the Australian tax law apply to his income? Would your answer be different if he had worked in Argentina for only two months & two days? Explain your answer. b) What is a 'sham' and the 'fiscal nullity'? Also, what is the effect of a sham? Does fiscal nullity apply in Australia? Explain your answer. note. I have chosen account as a subject as taxation is not available