or expenses which are incurred, after December 31, 2026. (c) Qualified semiconductor equipment For purposes of this section, the term qualified semiconductor equipment means any property— (1) which has been identified by the Secretary, in consultation with the Secretary of Commerce, as machinery or equipment that is designed and used to— (A) manufacture or process semiconductors, or (B) perform research with respect to semiconductors, (2) which is placed in service in the United States by the taxpayer, and (3) with respect to which depreciation (or amortization in lieu of depreciation) is allowable. (d) Qualified semiconductor manufacturing facility investment expenditures For purposes of this section, the term qualified semiconductor manufacturing facility investment expenditure means any amount properly chargeable to capital account— (1) for property for which depreciation is allowable under section 168, and (2) in connection with the construction or upgrading of any facility located in the United States which substantially operates qualified semiconductor equipment, including— (A) costs relating to— (i) acquiring or upgrading an existing building, or (ii) construction of a new building, and (B) property such as— (i) integrated systems, fixtures, piping, movable partitions, and lighting, and (ii) any property which has been identified by the Secretary, in consultation with the Secretary of Commerce, as necessary or adapted to— (I) reduce contamination, or (II) control air flow, temperature, humidity, chemical purity, or other environmental conditions or manufacturing tolerances. (e) Certain progress expenditure rules made applicable Rules similar to the rules of subsections (c)(4) and (d) of section 46 (as in effect on the day before the date of the enactment of the Revenue Reconciliation Act of 1990) shall apply for purposes of subsection (a). (f) Treatment of credit The amount of the credit determined under this section with respect to any qualified semiconductor equipment placed in service before January 1,