---
type: "Bill"
title: "Artificial Intelligence Amendments"
description: "Artificial Intelligence Amendments"
jurisdiction: "us/states/ut"
legislature: "Utah Legislature"
session: "2025"
identifier: "HB 452"
citation: "Utah HB 452 (2025)"
classification: ["bill"]
subjects: ["Artificial Intelligence", "Attorney General", "Consumer Protection", "Courts", "Mental Health", "Public Utilities and Technology"]
status: "enacted"
primary_sponsors: ["Moss, Jefferson"]
version_count: 13
action_count: 37
vote_count: 0
first_action: "2025-02-07T23:25:00+00:00"
last_action: "2025-03-26T01:07:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/cfefb324-390d-4d94-aeb9-793c1e088de6"
source_url: "https://le.utah.gov/~2025/bills/static/HB0452.html"
source_hash: "62f508397ea663cb1bb9279be8067cca8a311925e273e844d45d6fabf5e07d16"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-ut"]
---

# Utah HB 452 (2025) — Artificial Intelligence Amendments

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Introduced** (filed) — [source](https://le.utah.gov/Session/2025/bills/introduced/HB0452.xml)
2. **Amended 2/27/2025 21:02:124** (committee substitute) — [source](https://le.utah.gov/Session/2025/bills/amended/AV_HB0452S02_2025-02-27_21-39-22.pdf)
3. **Amended Excerpts 2/27/2025 21:02:124** (committee substitute) — [source](https://le.utah.gov/Session/2025/bills/amended/AP_HB0452S02_2025-02-27_21-39-22.pdf)
4. **Comparison to Sub #0** (committee substitute) — [source](https://le.utah.gov/Session/2025/bills/introduced/CP HB0452 To HB0452S01.pdf)
5. **Comparison to Sub #1** (committee substitute) — [source](https://le.utah.gov/Session/2025/bills/introduced/CP HB0452S01 To HB0452S02.pdf)
6. **House Amendment 1** (committee substitute) — [source](https://le.utah.gov/Session/2025/bills/amended/HB0452S02.Hamd.1.pdf)
7. **House Committee Report** (committee substitute) — [source](https://le.utah.gov/Session/2025/comreport/HB452H10.pdf)
8. **House Transmittal Letter 1** (committee substitute) — [source](https://le.utah.gov/Session/2025/transmit/HB452H10.pdf)
9. **Senate Committee Report** (committee substitute) — [source](https://le.utah.gov/Session/2025/comreport/HB452S10.pdf)
10. **Senate Transmittal Letter 1** (committee substitute) — [source](https://le.utah.gov/Session/2025/transmit/HB452S10.pdf)
11. **Substitute #1** (committee substitute) — [source](https://le.utah.gov/Session/2025/bills/introduced/HB0452S01.xml)
12. **Substitute #2** (committee substitute) — [source](https://le.utah.gov/Session/2025/bills/introduced/HB0452S02.xml)
13. **Enrolled** (enrolled) — [source](https://le.utah.gov/Session/2025/bills/enrolled/HB0452.xml)

## Sponsors

- Moss, Jefferson — primary (person)
- Cullimore, Kirk A. — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2025-02-07T23:25:00+00:00** Bill Numbered but not Distributed
- **2025-02-07T23:25:00+00:00** Numbered Bill Publicly Distributed
- **2025-02-10T16:58:00+00:00** House/ received bill from Legislative Research `receipt`
- **2025-02-10T18:11:00+00:00** House/ 1st reading (Introduced)
- **2025-02-20T18:37:00+00:00** House/ to standing committee `referral-committee`
- **2025-02-20T18:50:00+00:00** House/ received fiscal note from Fiscal Analyst `receipt`
- **2025-02-25T23:40:00+00:00** House Comm - Substitute Recommendation
- **2025-02-25T23:40:00+00:00** House Comm - Favorable Recommendation `committee-passage-favorable`
- **2025-02-26T17:19:00+00:00** House/ comm rpt/ substituted
- **2025-02-26T17:19:00+00:00** House/ 2nd reading
- **2025-02-28T03:39:00+00:00** House/ 3rd reading
- **2025-02-28T03:41:00+00:00** House/ floor amendment
- **2025-02-28T03:44:00+00:00** House/ passed 3rd reading `passage`
- **2025-02-28T03:44:00+00:00** House/ to Senate
- **2025-02-28T16:41:00+00:00** Senate/ received from House `receipt`
- **2025-02-28T17:28:00+00:00** Senate/ 1st reading (Introduced)
- **2025-02-28T21:35:00+00:00** Senate/ to standing committee `referral-committee`
- **2025-03-03T23:46:00+00:00** Senate Comm - Favorable Recommendation `committee-passage-favorable`
- **2025-03-04T16:48:00+00:00** Senate/ committee report favorable `committee-passage-favorable`
- **2025-03-04T16:48:00+00:00** Senate/ placed on 2nd Reading Calendar
- **2025-03-05T21:43:00+00:00** Senate/ 2nd Reading Calendar to Rules `reading-2`
- **2025-03-05T21:46:00+00:00** Senate/ Rules to 2nd Reading Calendar
- **2025-03-05T22:45:00+00:00** Senate/ 2nd & 3rd readings/ suspension
- **2025-03-05T22:46:00+00:00** Senate/ circled
- **2025-03-06T04:10:00+00:00** Senate/ uncircled
- **2025-03-06T04:13:00+00:00** Senate/ passed 2nd & 3rd readings/ suspension
- **2025-03-06T04:13:00+00:00** Senate/ signed by President/ returned to House `passage`
- **2025-03-06T04:13:00+00:00** Senate/ to House
- **2025-03-06T15:44:00+00:00** House/ received from Senate `receipt`
- **2025-03-06T15:44:00+00:00** House/ signed by Speaker/ sent for enrolling `passage`
- **2025-03-06T19:23:00+00:00** Bill Received from House for Enrolling
- **2025-03-06T19:23:00+00:00** Draft of Enrolled Bill Prepared
- **2025-03-12T18:20:00+00:00** Enrolled Bill Returned to House or Senate `enrolled`
- **2025-03-12T18:20:00+00:00** House/ enrolled bill to Printing
- **2025-03-13T15:29:00+00:00** House/ received enrolled bill from Printing `receipt`
- **2025-03-13T15:30:00+00:00** House/ to Governor `executive-receipt`
- **2025-03-26T01:07:00+00:00** Governor Signed `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/cfefb324-390d-4d94-aeb9-793c1e088de6`. Confidence: reported (aggregated from official Utah legislature records).