S. 3971, the Small Business Innovation and Economic Security Act, was signed into law on April 13, 2026. The bill accomplished two things: it extended the Small Business Innovation Research (SBIR) and Small Business Technology Transfer (STTR) grant programs through fiscal year 2031, and it added mandatory screening requirements against eight federal watchlists to identify and exclude grant applicants with ties to foreign adversaries.
The bill was introduced by Sen. Joni Ernst (R-IA) with one co-sponsor and enacted with minimal floor attention — it passed by unanimous consent in both chambers, reflecting bipartisan agreement on both the extension and the security screening provisions.
What SBIR and STTR Are
The SBIR and STTR programs are the federal government's primary mechanism for directing early-stage technology research funding to small businesses. Agencies with large R&D budgets — including the Department of Defense, NIH, NASA, and the Department of Energy — are required to set aside a percentage of their extramural research budgets for competitive grants to small businesses and research institutions.
SBIR grants fund a company's own research and development. STTR grants require a partnership between a small business and a research institution (a university or federal lab). Both programs operate in three phases: Phase I provides initial feasibility funding (up to $200,000 for six months); Phase II funds full development (up to $1.5 million for two years); Phase III is commercialization, which must occur without SBIR or STTR funding.
The programs collectively distribute billions of dollars annually. The Department of Defense alone has set aside more than $1 billion per year for SBIR grants. For small technology companies, SBIR and STTR grants are often the first federal funding they receive and are frequently the mechanism through which early-stage defense and health technology reaches federal procurement.
The Extension Through FY2031
The SBIR and STTR programs require periodic reauthorization — without Congressional action, their statutory authority lapses and the set-aside requirements expire. S. 3971 extended both programs through fiscal year 2031, providing five years of certainty for applicants and agencies planning their R&D budgets.
The extension is the routine portion of the bill. Congress has extended these programs multiple times; each reauthorization typically also updates the program requirements to reflect new policy priorities. The 2026 bill's primary new policy content is the security screening requirement.
The Eight Watchlist Screening Requirement
The security component of S. 3971 requires mandatory screening of SBIR and STTR applicants against eight specific federal watchlists to identify ties to foreign adversaries — defined to include China, Russia, Iran, and North Korea, among others. Applicants with disqualifying connections identified through the screening are barred from receiving awards.
The rationale is a known problem in federal R&D funding: small businesses with foreign investor ties or connections to entities on foreign adversary lists have historically received SBIR and STTR funding, potentially enabling the transfer of federally funded technology to adversary governments. The Department of Defense and several inspectors general have documented instances where SBIR-funded research was later shared with Chinese military-affiliated entities.
The eight watchlists specified in the bill include the Treasury Department's Specially Designated Nationals list, the Commerce Department's Entity List and Unverified List, and several Defense and intelligence community lists. Applicants are required to certify compliance; agencies are required to verify against the watchlists before making awards.
Who It Affects
SBIR and STTR grant recipients are almost exclusively small U.S. businesses and university spinouts. The screening requirement adds administrative burden to the application process but is designed not to affect applicants with no foreign adversary connections — the vast majority of current recipients. Applicants with venture capital funding from foreign sources, or with principals who are nationals of designated adversary countries, face heightened scrutiny under the new requirements.