General requirements to tell customers, employees, or the public when AI is being used in decisions. Here is what Wisconsin businesses need to know in 2026.
Wisconsin has enacted No comprehensive AI law — narrow statute enacted (political synthetic-media disclosure, 2023 Wisconsin Act 123). Wisconsin has not enacted a comprehensive AI law. Under 2023 Wisconsin Act 123, political advertisements containing AI-generated 'synthetic media' must disclose that they 'Contain content generated by AI.' A 2024 Legislative Council Study Committee on the Regulation of Artificial Intelligence reviewed broader AI regulation and recommended future legislation.
State law does not replace federal law — you must comply with both. These federal rules apply to ai disclosure nationwide:
It depends on the thresholds written into the specific statute, and those are not comparable across laws — some key on employee count or revenue, others on user volume or on the kind of system you deploy. We do not publish a generic small-business exemption for Wisconsin, because stating one the statute does not contain would be worse than stating none. Read the primary source linked from our Wisconsin law page to confirm whether you are in scope.
The key deadline in Wisconsin is N/A. The law is still developing — monitor for final rules.
Wisconsin penalties for AI non-compliance: Penalty for undisclosed AI political synthetic media (Act 123). Who enforces, and how, varies by statute — check the primary source linked from our Wisconsin law page for the enforcement authority and process that actually applies to you.
Federal law does not currently preempt state AI law. Wisconsin's AI statutes apply independently of federal rules, and federal laws like ECOA, FCRA, and HIPAA apply alongside them — so you must comply with both.
Best practice: document all AI systems used, conduct an internal audit, implement required disclosures, and keep records for at least 3 years. For high-risk uses like ai disclosure, consider hiring an independent third-party auditor to validate compliance.
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