If:
(a) * excess exploration credit tax or * shortfall interest charge payable by an entity remains unpaid after the time by which it is due and payable; and
(b) the Commissioner has not allocated the unpaid amount to an * RBA;
the entity is liable to pay the * general interest charge on the unpaid amount for each day in the period that:
(c) starts at the beginning of the day on which the excess exploration credit tax or shortfall interest charge was due to be paid; and
(d) ends at the end of the last day on which, at the end of the day, any of the following remains unpaid:
(i) the excess exploration credit tax or shortfall interest charge;
(ii) general interest charge on any of the excess exploration credit tax or shortfall interest charge.
Note: The general interest charge is worked out under Part IIA of the Taxation Administration Act 1953 .