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Tax

Section 174 (R&D Capitalization)

Quick definition

Tax change effective 2022 requiring R&D expenses to be capitalized and amortized over 5 years (US) or 15 years (foreign) instead of expensed immediately.

The 2017 Tax Cuts and Jobs Act phased out immediate expensing of R&D under §174, starting in tax year 2022. Now: domestic R&D must be capitalized and amortized over 5 years (60 months); foreign R&D over 15 years. This dramatically increases reported taxable income for software startups (whose engineer salaries are R&D). Combine with the §41 R&D credit for offset. Congress has repeatedly tried to restore immediate expensing — watch for legislation.

Related tax terms

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Frequently asked questions

What is Section 174 (R&D Capitalization)?
The 2017 Tax Cuts and Jobs Act phased out immediate expensing of R&D under §174, starting in tax year 2022. Now: domestic R&D must be capitalized and amortized over 5 years (60 months); foreign R&D over 15 years. This dramatically increases reported taxable income for software startups (whose engineer salaries are R&D). Combine with the §41 R&D credit for offset. Congress has repeatedly tried to restore immediate expensing — watch for legislation.
Why is Section 174 (R&D Capitalization) important for startups?
Section 174 (R&D Capitalization) is a tax concept that matters for startup founders because it directly affects fundraising readiness, financial decision-making, or operational discipline at the stage where mistakes are expensive to undo. Founders who understand it have a meaningfully easier time in diligence, board meetings, and investor conversations.
What category does Section 174 (R&D Capitalization) belong to?
Section 174 (R&D Capitalization) is a Tax term in the StartupCFO finance glossary — alongside other tax concepts that founders, CFOs, and accountants use in daily startup operations and reporting.
Where can I learn more about Section 174 (R&D Capitalization)?
Beyond this definition, see the related tax terms below, or explore StartupCFO's insights and tools that put Section 174 (R&D Capitalization) in context. For specific situations, talk to a fractional CFO who can walk through your numbers.

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