xable Income "Allowable Depletion" Greater of Percentage Depletion' or 'Cost Depletion' after calculation for the 65% taxable income Imitations or 'Non-Oil & Gas Depletion" "Net Income for Excess IOC CALC' - has been reduced by 'Allowable Depletion' and 'Excess IOC' has been added back. "Cost Depletion for 6