(1) The Corporation may, in such circumstances as the Corporation thinks fit, extend the time for payment of an amount of levy for such period or periods as the Corporation determines, and, if the Corporation does so, the levy is payable accordingly.
(2) The Corporation may, in such circumstances as the Corporation thinks fit, permit the payment of an amount of levy to be made by instalments in such amounts and at such times as the Corporation determines, and, subject to subsection (3), each instalment is payable at the time so determined in relation to that instalment.
(3) If the Corporation permits the payment of an amount of levy to be made by instalments and an instalment of an amount of levy is not paid on or before the time for the due payment of the instalment, the whole of the amount outstanding becomes payable at that time.
(4) In this section:
"levy" includes additional levy under section 7.