depreciation adjustments

(3) Depreciation adjustments The term “depreciation adjustments” means, in respect of any property, all adjustments attributable to periods after December 31, 1963 , reflected in the adjusted basis of such property on account of deductions (whether in respect of the same or other property) allowed or allowable to the taxpayer or to any other person for exhaustion, wear and tear, obsolescence, or amortization (other than amortization under section 168 (as in effect before its repeal by the Tax Reform Act of 1976), 169, 185 (as in effect before its repeal by the Tax Reform Act of 1986), 188 (as in effect before its repeal by the Revenue Reconciliation Act of 1990), 190, or 193). For purposes of the preceding sentence, if the taxpayer can establish by adequate records or other sufficient evidence that the amount allowed as a deduction for any period was less than the amount allowable, the amount taken into account for such period shall be the amount allowed.


26 USC § 1250(b)(3)

Scoping language

For purposes of this section
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