Qualified Research

Can Impact Testing Qualify as R&D?

Impact testing may constitute qualified research when the testing evaluates alternative designs or materials to resolve a technical uncertainty about impact performance. Routine impact certification against known standards generally is not qualified research.

A common question from manufacturers is whether impact testing can qualify as research and development for the federal R&D tax credit under Section 41. The short answer is that impact testing may constitute qualified research when the testing evaluates alternative designs or materials to resolve a technical uncertainty about impact performance. Routine impact certification against known standards generally is not qualified research. This page explains the framework in general terms. It is educational and is not individualized advice. For the foundational framework, see our page on qualified research.

When Impact Testing May Warrant Review

Impact testing may warrant review when the work involves a genuine technical uncertainty and a process of experimentation. Under the four-part test, the work must be for a permitted purpose, be technological in nature, be intended to eliminate uncertainty, and be conducted through a process of experimentation.

Common scenarios that may warrant review include:

  • New design impact performance — evaluating alternative designs to resolve uncertainty about whether a new product can survive the required impact.
  • New material impact performance — testing alternative materials to resolve uncertainty about whether a new material can achieve the required impact resistance.
  • Energy absorption — evaluating alternative approaches to resolve uncertainty about how to absorb impact energy.
  • Impact target development — testing alternative approaches to resolve uncertainty about what impact level a new product can achieve.

Routine Certification vs. Development Testing

A central distinction is between routine impact certification and development testing:

  • Routine certification — testing a product to verify that it meets an established impact standard. This is certification, not research.
  • Development testing — testing alternative designs or materials to resolve a technical uncertainty about impact performance where the performance is not established. This may warrant review.

Hypothetical Example

Consider a manufacturer that is developing a new protective helmet design and is uncertain whether any available material combination can achieve the required impact attenuation. The company evaluates alternative shell and liner materials, tests each for impact performance, and systematically varies the combination to resolve the uncertainty. This systematic evaluation of alternatives may warrant review as qualified research.

By contrast, if the same manufacturer tests a production helmet to certify that it meets an established impact standard, that is routine certification, not research.

This example is illustrative only and does not state that the activity definitely qualifies.

Documentation That May Help

Records that can help support impact testing claims include test plans identifying the uncertainty and alternative designs or materials, impact-test results, and records of how results informed design changes. For more, see our page on R&D tax credit documentation.

Key Takeaway

Impact testing may constitute qualified research when the testing evaluates alternative designs or materials to resolve a technical uncertainty about impact performance. Routine impact certification against known standards generally is not qualified research. Because the distinction is fact-specific, professional review is appropriate before claiming the credit.

Sources

  1. Treasury Regulation §1.41-4

    Cornell Law Institute (LII)

    Defines the process of experimentation as an evaluative process of alternatives and the elimination-of-uncertainty requirement.

  2. Internal Revenue Code §41

    Cornell Law Institute (LII)

    Section 41(d) defines qualified research and the four-part test.

  3. Instructions for Form 6765

    Internal Revenue Service

    Identifies routine testing and inspection among activities generally not treated as qualified research.

  4. Research Credit

    Internal Revenue Service

    IRS landing page for the Credit for Increasing Research Activities.

By R&D Ledger Editorial Team

Last reviewed: August 2026

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