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MO HB 1746: Establishes the "AI Nonsentience and Responsibility Act"

Dead/Failed Missouri

Last verified Oct 1, 2026 · official bill text

HB 1746 · where it stands

This bill did not become law (dead/failed) · last action Mar 30, 2026.

What do these statuses mean?
Introduced
Filed in the legislature; may be waiting for a committee hearing.
Passed a chamber
Approved by one or both chambers; awaiting further action.
Enacted
Signed into law, or became law without a signature or over a veto.
Effective date
The date the law says it takes effect. Once it has passed, the page shows "Effective" and the date. A court order can still block a law; if we know of one, the summary says so.
Dead / vetoed
Vetoed, failed, or the session ended without action.

In one paragraph

Not law. The AI Nonsentience and Responsibility Act (committee substitute for HBs 1746 & 1769) would have declared AI systems nonsentient under Missouri law: never persons, spouses, corporate officers or property owners, with AI-related assets attributed to a responsible human or organization. Liability for harm would rest with the deployer or user who directed the AI, and with developers for design defects or negligence; developers and deployers would have to maintain oversight following NIST-based risk standards and report serious harms. Two House committees approved it in March 2026, but it never got a floor vote before the May 15, 2026 deadline for passing bills.

Plain-English summary, written with AI assistance. The official text controls.

What it means for business

None: the bill died, so it creates no obligations for AI developers or deployers in Missouri.

Key provisions

  1. AI systems declared nonsentient: not persons or legal persons, not spouses (marriages to AI void), not officers or directors, not owners of any property
  2. Assets associated with AI attributed to the responsible human or legally recognized organization
  3. Harm caused by AI is the responsibility of the deployer or user who directed it; developers or deployers liable for design, construction or instruction defects
  4. User misuse does not shift liability to developers or deployers absent negligence or design defects
  5. Oversight required for AI that could affect human welfare, property or public safety, shown by following Missouri AI risk management standards based on NIST
  6. Labels such as 'aligned' or 'ethically trained' do not excuse liability; serious bodily harm, death or major property damage must be reported to authorities
  7. Approved by Emerging Issues (10-0) and Rules (9-0), last action March 30, 2026; no floor vote before the May 15, 2026 deadline for passing bills

Latest legislative action

Mar 30, 2026. Reported Do Pass (H) by Rules; not taken up before the 2026 regular session ended

Sponsors

NameRole
Primary
Cosponsor

Topics and industries

Related topics

AI LiabilityComprehensive AI

Affected industries

Technology

This page is general information, not legal advice. Summaries are AI-assisted and may contain errors; read the statute for the controlling text and talk to a lawyer about your situation. Full disclaimer · Report an error

Related AI laws in Missouri

All Missouri bills →
HB1769 Establishes the "AI Non-Sentience and Responsibility Act" SB1444 Creates provisions relating to artificial intelligence in mental health HB2239 Creates the Artificial Intelligence Data Center Environmental Accountability Act SB1598 Modifies provisions relating to medical malpractice for the use of artificial in HB2273 Modifies and establishes provisions relating to the protection of children and v HB2321 Establishes the "AI-Generated Content Accountability and Privacy Protection Act

Same topic in other states

Colorado SB189 Automated Decision-Making Technology Virginia HB1521 Digital innovation & infrastructure; establishing rights in digital property & t New York A03356 Enacts the "advanced artificial intelligence licensing act"; providing for regul Ohio HB469 Declare A.I. systems nonsentient; prohibit legal personhood Minnesota SF4114 Constitutional amendment proposal excluding artificial intelligence from the rig Maryland SB936 Consumer Protection - High-Risk Artificial Intelligence - Developer and Deployer