Two commonly accepted principles of a good tax system are the equity- and certainty principles. These two principles imply that tax should be imposed according to ones taxable ability or capacity and the timing, amount and manner of tax payments should be certain. REQUIRED: Briefly name and describe two other principles of a good tax system. (4 marks) Competency Framework Reference: E1.1 Tax landscape in South Africa c) Explain the adherence of the tax system in South Africa, with the underlying principles of a tax system.