Section 174A & R&E Expensing

The OBBBA permanently restored immediate expensing for domestic R&E. New §174A is the default — no election needed.

Six specific statements that were accurate under TCJA but are now wrong — with corrected language for post-OBBBA compliance.

Taxpayers may elect to capitalize domestic R&E and amortize over 60+ months, starting when benefits are first realized (not midpoint of year).

14-section comprehensive guide to all OBBBA R&D tax changes — legislation, transitions, elections, and FAQs. Updated March 2026.