Income Tax Act, 1962 (Act No. 58 of 1962)
Chapter II : The Taxes
Part IV : Turnover tax payable by micro businesses
48A. Imposition of tax
There must be levied and paid for the benefit of the National Revenue Fund a tax, to be known as the turnover tax, payable by a person that was a registered micro business during a year of assessment, in respect of its taxable turnover for that year of assessment.