STEP ONE: Determine the total credit amount to which the taxpayer is entitled under section 15 of this chapter (without regard to section 16 of this chapter).
STEP TWO: Divide the STEP ONE amount by twenty (20).
STEP THREE: Determine the ratio of Indiana coal to total coal used in the taxpayer's integrated coal gasification powerplant in the taxable year.
STEP FOUR: Multiply the STEP TWO and STEP THREE amounts.
IC 6-3.1-29-20.7