---
type: "Bill"
title: "Concerning fentanyl and other synthetic opioids."
description: "Concerning fentanyl and other synthetic opioids."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2023-2024"
identifier: "HB 2396"
citation: "Washington HB 2396 (2023-2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Mosbrucker"]
version_count: 3
action_count: 25
vote_count: 3
first_action: "2024-01-16"
last_action: "2024-03-26"
source: "openstates"
source_identifier: "ocd-bill/30c4191e-d515-4dbb-8717-10e1c63aee45"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=2396&year=2023"
source_hash: "b122bc323eb6c6f402d8b4d737964bd40445b2dc2a3bf4e85fa9cd53fc77025b"
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-wa"]
---

# Washington HB 2396 (2023-2024) — Concerning fentanyl and other synthetic opioids.

## Version chain

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

1. **Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/House%20Bills/2396.htm)
2. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/House%20Bills/2396-S.htm)
3. **Substitute Passed Legislature** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/House%20Passed%20Legislature/2396-S.PL.htm)

## Votes

- 3rd Reading & Final Passage as Amended by the Senate (#52) — **49–0** (pass) · upper
- Final Passage as Amended by the Senate (#44) — **96–0** (pass) · lower
- 3rd Reading & Final Passage (#44) — **95–0** (pass) · lower

## Sponsors

- Mosbrucker — primary (person)
- Barkis — cosponsor (person)
- Couture — cosponsor (person)
- Davis — cosponsor (person)
- Jacobsen — cosponsor (person)
- Pollet — cosponsor (person)
- Rule — cosponsor (person)

## Timeline

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

- **2024-01-16** First reading, referred to Health Care & Wellness. `reading-1`
- **2024-01-26** Public hearing in the House Committee on Health Care & Wellness at 8:00 AM.
- **2024-01-31** Executive action taken in the House Committee on Health Care & Wellness at 1:30 PM.
- **2024-01-31** HCW - Majority; 1st substitute bill be substituted, do pass. `substitution`
- **2024-01-31** Referred to Rules 2 Review. `referral-committee`
- **2024-02-07** Placed on second reading by Rules Committee. `reading-2`
- **2024-02-08** 1st substitute bill substituted (HCW 24). `substitution`
- **2024-02-08** Rules suspended. Placed on Third Reading. `reading-3`
- **2024-02-08** Third reading, passed; yeas, 95; nays, 0; absent, 0; excused, 3. `reading-3`
- **2024-02-12** First reading, referred to Health & Long Term Care. `reading-1`
- **2024-02-20** Public hearing and executive action taken in the Senate Committee on Health & Long Term Care at 8:00 AM.
- **2024-02-20** HLTC - Majority; do pass. `committee-passage-favorable`
- **2024-02-21** Passed to Rules Committee for second reading.
- **2024-02-27** Placed on second reading by Rules Committee. `reading-2`
- **2024-02-29** Floor amendment(s) adopted.
- **2024-02-29** Rules suspended. Placed on Third Reading. `reading-3`
- **2024-02-29** Third reading, passed; yeas, 49; nays, 0; absent, 0; excused, 0. `reading-3`
- **2024-03-05** House concurred in Senate amendments.
- **2024-03-05** Passed final passage; yeas, 96; nays, 0; absent, 0; excused, 1. `passage`
- **2024-03-06** Speaker signed. `passage`
- **2024-03-07** President signed. `passage`
- **2024-03-07** Delivered to Governor. `executive-receipt`
- **2024-03-26** Governor signed. `executive-signature`
- **2024-03-26** Chapter 309, 2024 Laws. `became-law`
- **2024-03-26** Effective date 6/6/2024. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/30c4191e-d515-4dbb-8717-10e1c63aee45`. Confidence: reported (aggregated from official Washington legislature records).