United States: Demystifying sections 174 and 174A after the OBBBA

In brief

Erik Christenson and Paula Levy recently co-authored Demystifying Sections 174 and 174A After the OBBBA, 188 Tax Notes Federal 1425 (Sept. 1, 2025). The article explores the history of section 174, distinguishes it from new section 174A, and explores the implications of R&D expenses within the broader context of the Code.

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