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Research Participant Payments – IRS Reporting Update. Summary and Sample Information Sheet

Effective January 1, 2026, the U.S. IRS reporting threshold for research participant compensation has increased from $600 to $2,000 per calendar year.  While the institutional reporting threshold to the IRS has increased, the fact that research participant compensation is taxable income remains unchanged.  Reimbursement for documented participant expenses related to participation is not taxable.

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