
Section 174 R&D Capitalization in 2026: Why Small Businesses Must Amortize Research Costs Over 5 Years and How OBBBA's Retroactive Fix Changes the Math
Since 2022 research costs must be capitalized over 5 years — software included — midpoint in year one. Track domestic vs foreign, build the amortization schedule, and be ready for OBBBA's retroactive expensing.










