Consolidated taxable income
(4) Consolidated taxable income. References to consolidated taxable income (and consolidated tax liability) include references to the combined taxable income of the members (and their combined tax liability). For corporations filing separate returns, it ordinarily will not be necessary to actually combine their taxable incomes (and tax liabilities) because the taxable income (and tax liability) of one corporation does not affect the taxable income (or tax liability) of another corporation.