- 45 - the basis in the amortizable asset which, in turn, reduces the amount available for amortization in subsequent years. See, e.g., Kilgroe v. United States, 664 F.2d 1168, 1170 (10th Cir. 1981). Respondent, citing Kilgroe v. United States, supra, contends that the correct amortization deduction allowable to SPC-SC and SPC-FL for taxable years after 1990 should be calculated by apportioning the corrected amortizable bases of the properties, as reduced by amortization allowed prior to taxable year 1991, over the properties' remaining useful life. Petitioners, however, assert that the correct annual amortization allowable to SPC-SC and SPC-FL should be calculated by apportioning the corrected amortizable bases of the properties without regard to amortization allowed prior to 1991, over the agreed useful life (i.e., 15 years for termite contracts and 10 years for pest control contracts), until the remaining amortizable bases are exhausted. Citing Fribourg Navigation Co. v. Commissioner, 383 U.S. 272 (1966), and section 1.167(a)-1(b) and (c), Income Tax Regs., petitioners maintain that the original annual straight line amortization allowance may be changed prospectively only when there has been a change in either the estimated useful life or the salvage value of the property inPage: Previous 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 Next
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