Circular No.22 – Income Tax The rates of income-tax for the assessment year 1969-70 in the case of all categories of taxpayers (corporate as well as non-corporate) are specified in Part I of the First Schedule to the Finance Act. These rates (summarised in Annexure I to this circular) are the same as those specified in Part III of the First Schedule to the Finance Act, 1968, for the purpose of deduction of tax at source