Tax Tutor wrote:You need to go back to the start of Chapter 2 – the tax year runs from April 6 to the following April 5 NOT from July 1 which is simply when the period of self employment commenced and must include all taxable income for the tax year! Hence the 3 months of salary from April 6 to June 30 MUST be included in the income tax computation for 2017/2018.