In this report Federal Commissioner of Taxation v Wiener. We will discuss The issue surrounding the case will be addressing the transactions occurred by the taxpayer during the accounting year and would understand whether same will be held taxable or a deduction for the same can be claimed. We will discuss a sum that is obtained by the taxpayer relating to the cessation of deal or of an agreement through the progression of trade is generally held as revenue given the sum that is substituted would have been held as income. We will discuss Taxation Law and Practice and case study ABC Sports Pty Ltd occurs a cost relating to relocating some of his stores.