---
type: "Bill"
title: "Concerning high THC cannabis products."
description: "Concerning high THC cannabis products."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2023-2024"
identifier: "HB 2320"
citation: "Washington HB 2320 (2023-2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Davis"]
version_count: 4
action_count: 43
vote_count: 4
first_action: "2024-01-11"
last_action: "2024-03-29"
source: "openstates"
source_identifier: "ocd-bill/5918669c-f1c1-4158-9793-e0209945d6c9"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=2320&year=2023"
source_hash: "ec0f7ee0c1c2b463f68b506ffaf2ce33616e384e522069e2f16f0a66e40f1e00"
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 2320 (2023-2024) — Concerning high THC cannabis products.

## 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/2320.htm)
2. **Second Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/House%20Bills/2320-S2.htm)
3. **Second Substitute Passed Legislature** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/House%20Passed%20Legislature/2320-S2.PL.htm)
4. **Substitute Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2023-24/Htm/Bills/House%20Bills/2320-S.htm)

## Votes

- 3rd Reading & Final Passage as Amended by the Senate (#5) — **46–0** (pass) · upper
- 3rd Reading & Final Passage as Amended by the Senate (#31) — **47–1** (pass) · upper
- 3rd Reading & Final Passage (#15) — **92–5** (pass) · lower
- Final Passage as Amended by the Senate (#6) — **94–3** (pass) · lower

## Sponsors

- Davis — primary (person)
- Bergquist — cosponsor (person)
- Callan — cosponsor (person)
- Dent — cosponsor (person)
- Dye — cosponsor (person)
- Eslick — cosponsor (person)
- Harris — cosponsor (person)
- Leavitt — cosponsor (person)
- Peterson — cosponsor (person)
- Pollet — cosponsor (person)
- Ramel — cosponsor (person)
- Ryu — cosponsor (person)
- Senn — cosponsor (person)
- Walen — cosponsor (person)

## Timeline

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

- **2024-01-11** First reading, referred to Regulated Substances & Gaming. `reading-1`
- **2024-01-16** Public hearing in the House Committee on Regulated Substances & Gaming at 4:00 PM.
- **2024-01-29** Executive action taken in the House Committee on Regulated Substances & Gaming at 1:30 PM.
- **2024-01-29** RSG - Majority; 1st substitute bill be substituted, do pass. `substitution`
- **2024-01-29** Minority; without recommendation. `committee-passage-unfavorable`
- **2024-01-31** Referred to Appropriations. `referral-committee`
- **2024-02-03** Public hearing in the House Committee on Appropriations at 9:00 AM.
- **2024-02-05** Executive action taken in the House Committee on Appropriations at 10:30 AM.
- **2024-02-05** APP - Majority; 2nd substitute bill be substituted, do pass. `substitution`
- **2024-02-05** Referred to Rules 2 Review. `referral-committee`
- **2024-02-08** Rules Committee relieved of further consideration. Placed on second reading. `reading-2`
- **2024-02-09** 2nd substitute bill substituted (APP 24). `substitution`
- **2024-02-09** Rules suspended. Placed on Third Reading. `reading-3`
- **2024-02-09** Third reading, passed; yeas, 92; nays, 5; absent, 0; excused, 1. `reading-3`
- **2024-02-13** First reading, referred to Labor & Commerce. `reading-1`
- **2024-02-19** Executive action taken in the Senate Committee on Labor & Commerce at 10:30 AM.
- **2024-02-19** LC - Majority; do pass with amendment(s). `committee-passage-favorable`
- **2024-02-19** And refer to Ways & Means. `referral-committee`
- **2024-02-19** Minority; without recommendation. `committee-passage-unfavorable`
- **2024-02-20** Referred to Ways & Means. `referral-committee`
- **2024-02-22** Executive action taken in the Senate Committee on Ways & Means at 1:30 PM.
- **2024-02-22** WM - Majority; do pass with amendment(s) by Labor & Commerce. `committee-passage-favorable`
- **2024-02-22** Minority; without recommendation. `committee-passage-unfavorable`
- **2024-02-26** Passed to Rules Committee for second reading.
- **2024-02-27** Placed on second reading by Rules Committee. `reading-2`
- **2024-02-29** Committee amendment(s) adopted as amended.
- **2024-02-29** Rules suspended. Placed on Third Reading. `reading-3`
- **2024-02-29** Third reading, passed; yeas, 47; nays, 1; absent, 0; excused, 1. `reading-3`
- **2024-03-07** House insists on its position and asks Senate to recede.
- **2024-03-07** Senate receded from amendments.
- **2024-03-07** Rules suspended.
- **2024-03-07** Returned to second reading for amendment.
- **2024-03-07** Floor amendment(s) adopted.
- **2024-03-07** Rules suspended. Placed on Third Reading. `reading-3`
- **2024-03-07** Third reading, passed; yeas, 46; nays, 0; absent, 0; excused, 3. `reading-3`
- **2024-03-07** House concurred in Senate amendments.
- **2024-03-07** Passed final passage; yeas, 94; nays, 3; absent, 0; excused, 1. `passage`
- **2024-03-07** Speaker signed. `passage`
- **2024-03-07** President signed. `passage`
- **2024-03-07** Delivered to Governor. `executive-receipt`
- **2024-03-29** Governor signed. `executive-signature`
- **2024-03-29** Chapter 360, 2024 Laws. `became-law`
- **2024-03-29** 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/5918669c-f1c1-4158-9793-e0209945d6c9`. Confidence: reported (aggregated from official Washington legislature records).