AI Systems Transparency Act
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AI Systems Transparency Act
United States (federal)
Proposed legislation
No assigned Senate bill number verified as of September 24, 2026.
Sponsors announced introduction on September 24, 2026; subsequent official Senate action has not yet been verified.[1]
Not applicable to a proposal; no enactment or effective date has been verified.
September 24, 2026 (sponsor announcement and proposed bill text).
The AI Systems Transparency Act is proposed United States federal legislation announced on September 24, 2026. It has not been enacted.[2]
Proposal
Senators Chris Coons, Katie Britt, Brian Schatz and James Lankford announced the AI Systems Transparency Act on September 24. The proposal would direct the Federal Trade Commission to require covered AI model developers to publish separate consumer-facing and researcher-facing disclosures about model capabilities, data and safeguards, with updates for significant model changes. Its coverage includes qualifying open-weight and open-source models.[3][4]
Status and coverage
The sponsors announced introduction on September 24; the proposal’s congressional action, assigned number and later status should be checked against the official Senate record.[5] See September 24 news coverage and federal authorities.