HB 1139, titled “Use of Artificial Intelligence in Health Care,” was signed by the Colorado governor on June 2 2026. The bill’s effective date has not been set, so it is not yet known when the provisions will apply.
HB 1139 is a Colorado state bill titled “Use of Artificial Intelligence in Health Care.” It was recorded on June 2, 2026 and carries the identifier HB 1139.
The bill has been signed by the governor, giving it the status of Governor Signed.
Because the effective date is listed as unknown, the law’s provisions are not currently in force, and it is unclear when they will take effect.
The legislation focuses on how artificial intelligence may be used within Colorado’s health‑care system.
Colorado — what the law requires #
The figures AI Law Tracker holds for Colorado — tracked jurisdiction-wide, not derived from this story. See every source on the Colorado law page →
**Key requirement. **The most comprehensive US state AI law. As amended by SB 26-189 (2026) it takes effect January 1, 2027 and centers on transparency/disclosure for consequential automated decisions (the original algorithmic-discrimination duty of care was repealed). Attorney General rulemaking is underway; no final rules have been…
Jurisdiction record last verified Jul 11, 2026
Sources & citations #
- HB 1139, titled “Use of Artificial Intelligence in Health Care,” was signed by the Colorado governor on June 2 2026. leg.colorado.gov - The bill’s effective date has not been set, so it is not yet known when the provisions will apply. leg.colorado.gov - The legislation addresses the use of artificial intelligence in health care in Colorado.
See the full AI law picture for Colorado #
Statuses, deadlines, penalties, and primary sources — kept current on AI Law Tracker.