30.1. An operator’s minimum mining tax for a fiscal year that begins after 31 December 2013 is equal to the aggregate of(1) the amount obtained by multiplying 1% by the lesser of(a) the aggregate of all amounts each of which is the operator’s mine-mouth output value for the fiscal year in respect of a mine it operates in the fiscal year, and
(b) the operator’s reduced-rate taxable amount for the fiscal year; and
(2) the amount obtained by multiplying 4% by the amount by which the aggregate of all amounts each of which is the operator’s mine-mouth output value for the fiscal year in respect of a mine it operates in the fiscal year exceeds the operator’s reduced-rate taxable amount for the fiscal year.