(2) If the taxable income of any provisional taxpayer as finally determined for any year of assessment exceeds –
(a) R20 000 in the case of a company; or
(b) R50 000 in the case of any person other than a company,
and the normal tax payable by him in respect of such taxable income exceeds the credit amount in relation to such year, interest shall, subject to the provisions of subsection (3), be payable by the taxpayer at the prescribed rate on the amount by which such normal tax exceeds the credit amount, such interest being calculated from the effective date in relation to the said year until the date of assessment of such normal tax.
(3) Where the Commissioner having regard to the circumstances of the case is satisfied that the interest payable in terms of subsection (2) is a result of circumstances beyond the control of the taxpayer, the Commissioner may direct that interest shall not be paid in whole or in part by the taxpayer.
(3A) Where any natural person has, in respect of the year of assessment during which he for the first time became a provisional taxpayer, become liable for the payment of interest under subsection (2), the Commissioner may, subject to the provisions of section 103(6), if he is satisfied that the circumstances warrant such action, direct that interest shall not be paid by such person in respect of such year of assessment.
(4) If in the case of any provisional taxpayer the credit amount in relation to any year of assessment exceeds the normal tax payable in respect of his taxable income as finally determined for that year and –
(a) the amount of that excess exceeds R10 000; or
(b) such taxable income exceeds –
(i) R20 000 in the case of a company; or
(ii) R50 000 in the case of any person other than a company,
interest shall be payable to the taxpayer at the prescribed rate on the difference between the credit amount and such normal tax, such interest being calculated from the effective date in relation to the said year until the date on which such difference is refunded to the taxpayer: Provided that where any interest is payable to the taxpayer on any amount in respect of any period in terms of the provisions of section 88, no interest shall be payable to the taxpayer in terms of the provisions of this subsection in respect of the said amount and period.
(5) ……….
(6) The payment by the Commissioner of any interest under the provisions of this section shall be deemed to be a drawback from revenue charged to the National Revenue Fund.