Taxpayers may elect to treat research or experimental expenditures incurred in connection with a trade or business as immediately deductible expenses. Under generally accepted accounting principles, at least some of these costs would otherwise be treated as capital expenditures and depreciated or amortized over a period of years. Their immediate deduction constitutes a tax expenditure, resulting in a deferral of tax or an interest-free loan.

Origin: IRC, § 174

Item Number
FY2017
FY2018
FY2019
FY2020
FY2021
2.308
52.3
49.1
68.2
59.0
42.0
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