---
type: "Bill"
title: "Update Livestock Health Act"
description: "Current law authorizes the inspection, testing, quarantine, condemnation, and destruction of livestock when there is an outbreak of an infectious or contagious disease. The act:"
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2023A"
identifier: "HB 23-1264"
citation: "Colorado HB 23-1264 (2023A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Janice Marchman", "Karen McCormick", "Marc Catlin", "Rod Pelton"]
version_count: 8
action_count: 17
vote_count: 4
first_action: "2023-03-27T06:00:00+00:00"
last_action: "2023-05-18T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/ab3d839e-f8dd-49ae-b583-698ac1615241"
source_url: "https://leg.colorado.gov/bills/hb23-1264"
source_hash: "f7ba0ecf96e0f7fb065fae04876f1150cad613bc4b34592476ded252fcab9c29"
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-co"]
---

# Colorado HB 23-1264 (2023A) — Update Livestock Health Act

Current law authorizes the inspection, testing, quarantine, condemnation, and destruction of livestock when there is an outbreak of an infectious or contagious disease. The act:

## Version chain

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

1. **Committee Amendment** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2023a_hb1264_s_agr_001.pdf)
2. **Engrossed (04/11/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_1264_eng.pdf)
3. **Final Act (05/17/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_1264_enr.pdf)
4. **Introduced (03/27/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_1264_01.pdf)
5. **Reengrossed (04/13/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_1264_ren.pdf)
6. **Rerevised (05/02/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_1264_rer.pdf)
7. **Revised (05/01/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_1264_rev.pdf)
8. **Signed Act (05/18/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2023a_1264_signed.pdf)

## Votes

- CONCUR — **62–1** (pass) · lower
- BILL — **28–5** (pass) · upper
- BILL — **54–10** (pass) · lower
- REPASS — **61–2** (pass) · lower

## Sponsors

- Janice Marchman — primary (person)
- Karen McCormick — primary (person)
- Marc Catlin — primary (person)
- Rod Pelton — primary (person)

## Timeline

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

- **2023-05-18T06:00:00+00:00** Governor Signed `executive-signature`
- **2023-05-17T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2023-05-17T06:00:00+00:00** Signed by the President of the Senate
- **2023-05-17T06:00:00+00:00** Signed by the Speaker of the House
- **2023-05-04T06:00:00+00:00** House Considered Senate Amendments - Result was to Concur - Repass
- **2023-05-03T06:00:00+00:00** House Considered Senate Amendments - Result was to Laid Over Daily
- **2023-05-02T06:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2023-05-01T06:00:00+00:00** Senate Second Reading Special Order - Passed with Amendments - Floor
- **2023-04-27T06:00:00+00:00** Senate Committee on Agriculture & Natural Resources Refer Unamended to Senate Committee of the Whole `committee-passage, referral-committee`
- **2023-04-17T06:00:00+00:00** Introduced In Senate - Assigned to Agriculture & Natural Resources `introduction`
- **2023-04-13T06:00:00+00:00** House Third Reading Passed - No Amendments `passage, reading-3`
- **2023-04-12T06:00:00+00:00** House Third Reading Laid Over Daily - No Amendments
- **2023-04-11T06:00:00+00:00** House Second Reading Special Order - Passed with Amendments - Floor
- **2023-04-10T06:00:00+00:00** House Second Reading Special Order - Laid Over Daily - No Amendments
- **2023-04-03T06:00:00+00:00** House Second Reading Laid Over Daily - No Amendments
- **2023-03-30T06:00:00+00:00** House Committee on Agriculture, Water & Natural Resources Refer Unamended to House Committee of the Whole `committee-passage, referral-committee`
- **2023-03-27T06:00:00+00:00** Introduced In House - Assigned to Agriculture, Water & Natural Resources `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/ab3d839e-f8dd-49ae-b583-698ac1615241`. Confidence: reported (aggregated from official Colorado legislature records).