republic-os/legislation/us/states/co/2024a/hb-24-1003.md

---
type: "Bill"
title: "Opiate Antagonists and Detection Products in Schools"
description: "Under current law, a school district, the state charter school institute, or the governing board of a nonpublic school may adopt a policy for a school to maintain a supply of and distribute opiate antagonists. The act allows the adoption of a similar policy for maintaining a supply of opiate antagonists on school buses and extends existing civil and criminal immunity to school bus operators and other employees present on buses if they furnish or administer an opiate antagonist in good faith, in addition to other requirements. Additionally, the act allows an adopted policy to allow an employee or agent of the school to furnish an opiate antagonist to any individual, including a student, but only if the student has received school-sponsored training."
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2024A"
identifier: "HB 24-1003"
citation: "Colorado HB 24-1003 (2024A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Barbara McLachlan", "Cleave Simpson", "Dafna Michaelson Jenet", "Mary Young"]
version_count: 9
action_count: 15
vote_count: 4
first_action: "2024-01-10T07:00:00+00:00"
last_action: "2024-04-22T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/c6f0d32e-7e32-4957-8f23-15ffa662cfcc"
source_url: "https://leg.colorado.gov/bills/hb24-1003"
source_hash: "9608523404dfa1c7f776bb580015054d7ce7029161d68158b520ebc60bd7c220"
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 24-1003 (2024A) — Opiate Antagonists and Detection Products in Schools

Under current law, a school district, the state charter school institute, or the governing board of a nonpublic school may adopt a policy for a school to maintain a supply of and distribute opiate antagonists. The act allows the adoption of a similar policy for maintaining a supply of opiate antagonists on school buses and extends existing civil and criminal immunity to school bus operators and other employees present on buses if they furnish or administer an opiate antagonist in good faith, in addition to other requirements. Additionally, the act allows an adopted policy to allow an employee or agent of the school to furnish an opiate antagonist to any individual, including a student, but only if the student has received school-sponsored training.

## 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/2024a_hb1003_s_ed_001.pdf)
2. **Engrossed (02/28/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1003_eng.pdf)
3. **Final Act (04/12/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1003_enr.pdf)
4. **Introduced (01/10/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1003_01.pdf)
5. **PA1 (03/28/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1003_s_ed_01.pdf)
6. **Reengrossed (02/29/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1003_ren.pdf)
7. **Rerevised (04/02/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1003_rer.pdf)
8. **Revised (04/01/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1003_rev.pdf)
9. **Signed Act (04/22/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2024a_1003_signed.pdf)

## Votes

- CONCUR — **49–5** (pass) · lower
- BILL — **34–1** (pass) · upper
- REPASS — **49–5** (pass) · lower
- BILL — **50–12** (pass) · lower

## Sponsors

- Barbara McLachlan — primary (person)
- Cleave Simpson — primary (person)
- Dafna Michaelson Jenet — primary (person)
- Mary Young — primary (person)

## Timeline

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

- **2024-04-22T06:00:00+00:00** Governor Signed `executive-signature`
- **2024-04-12T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2024-04-12T06:00:00+00:00** Signed by the President of the Senate
- **2024-04-11T06:00:00+00:00** Signed by the Speaker of the House
- **2024-04-05T06:00:00+00:00** House Considered Senate Amendments - Result was to Concur - Repass
- **2024-04-03T06:00:00+00:00** House Considered Senate Amendments - Result was to Laid Over Daily
- **2024-04-02T06:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2024-04-01T06:00:00+00:00** Senate Second Reading Passed with Amendments - Committee `reading-2`
- **2024-03-27T06:00:00+00:00** Senate Committee on Education Refer Amended - Consent Calendar to Senate Committee of the Whole `committee-passage`
- **2024-03-01T07:00:00+00:00** Introduced In Senate - Assigned to Education `introduction`
- **2024-02-29T07:00:00+00:00** House Third Reading Passed - No Amendments `passage, reading-3`
- **2024-02-28T07:00:00+00:00** House Second Reading Special Order - Passed with Amendments - Floor
- **2024-02-13T07:00:00+00:00** House Second Reading Laid Over Daily - No Amendments
- **2024-02-08T07:00:00+00:00** House Committee on Education Refer Unamended to House Committee of the Whole `committee-passage, referral-committee`
- **2024-01-10T07:00:00+00:00** Introduced In House - Assigned to Education `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/c6f0d32e-7e32-4957-8f23-15ffa662cfcc`. Confidence: reported (aggregated from official Colorado legislature records).