Q
R&D Qualified Activities
The four-part test and what counts as qualified research
Guide
The Four-Part Test for Qualifying Research
Every R&D activity must satisfy four criteria under §41(d): permitted purpose, technological in nature, elimination of technical uncertainty, and process of experimentation.
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Guide
Business Components Documentation Guide
What counts as a business component, how to identify them, and what the IRS expects in documentation.
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Guide
Excluded Research Activities Under §41(d)(4)
Activities that cannot qualify: post-commercial production, adaptation, duplication, surveys, routine testing, social science research, and funded research.
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Reference↗ External
IRS Audit Techniques Guide: Research Activities
Official IRS guidance on how examiners evaluate whether business activities qualify as qualified research.
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