Congress Proposes New Voluntary Standards to Test and Verify Artificial Intelligence Systems
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Senate legislation to establish third-party AI audit guidelines is now bipartisan
The VET AI Act, introduced by Senators Hickenlooper and Capito, directs NIST to develop voluntary guidelines for third-party AI evaluations. The bill aims to create a pathway for independent evaluators to verify that AI development and testing comply with established safety guardrails.

Senate Revisits AI Testing, Development Assurance With VET AI Act
Bipartisan lawmakers reintroduced the VET AI Act in August 2025, tasking NIST with leading the development of specifications and recommendations for third-party evaluators. The bill seeks to provide independent verification of AI systems' safety, privacy, and dataset quality.
Mandated Third-Party AI Audits are Coming—Addressing AI's Socio-Technical Challenges Will Be Key
This analysis of the VET AI Act explores the shift toward independent verification in AI. While the bill proposes a framework for NIST-led voluntary guidelines, experts warn that audits must address human assumptions and socio-technical risks to be truly effective at mitigating harm.