- 62 - system of reporting income and expenses, the tax attribut- able to each year stands on its own. See Security Flour Mills Co. v. Commissioner, 321 U.S. 281, 286 (1944); Bank of Commerce v. Commissioner, 10 B.T.A. 73 (1928). Similarly, we do not agree that the additions to tax "cannot be properly calculated without taking into account income reported and taxes paid by Petitioners in subsequent years." The additions to tax in this case, the negligence additions under section 6653(a) and the addition to tax for substantial understatement of liability under section 6661(a), are both computed without regard to the "income reported and taxes paid by Petitioners in subsequent years." In the case of the negligence additions under section 6653(a), the amount of the additions is a percentage of the "underpayment" as defined by section 6653(c). In the case of the addition to tax for substantial understatement of liability under section 6661(a), the addition is 25 percent of "any underpayment" attributable to an "understatement". We disagree with petitioners' contention that in order to give full effect to our holding that the transaction was a sham in substance, we must compute petitioners' tax liability on a transactional basis. Our decision not to offset the deductions and losses in earlierPage: Previous 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 Next
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