---
type: "Bill"
title: "Generally revise marijuana laws"
description: "Generally revise marijuana laws"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2023"
identifier: "HB 903"
citation: "Montana HB 903 (2023)"
classification: ["bill"]
subjects: ["Alcohol and Drugs", "Appropriations (see also: State Finance)", "Revenue", "State"]
status: "enacted"
primary_sponsors: ["Mike Hopkins"]
version_count: 11
action_count: 56
vote_count: 8
first_action: "2022-12-05T19:05:35+00:00"
last_action: "2023-05-22T19:52:19+00:00"
source: "openstates"
source_identifier: "ocd-bill/b4284e02-e9a4-47fc-8cf2-eda9990a21b5"
source_url: "https://bills.legmt.gov/#/bill/20231/LC3111"
source_hash: "546b9307631d64ba07330e924d179abd895d5d874fa3f856c28587aad37268fe"
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-mt"]
---

# Montana HB 903 (2023) — Generally revise marijuana laws

## Version chain

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

1. **HB0903.001.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=11642)
2. **HB0903.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=11640)
3. **HB0903.001.002_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=11643)
4. **HB0903.001.002_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=11641)
5. **HB0903.001.003_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=11644)
6. **HB0903.001.003_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=11646)
7. **HB0903.001.004_combo_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=11639)
8. **HB0903.001.004_combo_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=11645)
9. **HB0903_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=11648)
10. **HB0903_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=11649)
11. **HB0903_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=11650)

## Votes

- (S) 3rd Reading Concurred — **40–9** (pass) · upper
- (H) 3rd Reading Passed — **87–11** (pass) · lower
- (S) 2nd Reading Concurred — **45–5** (pass) · upper
- (S) Committee Executive Action--Bill Concurred as Amended — **10–0** (pass) · upper
- (H) 3rd Reading Passed as Amended by Senate — **49–47** (pass) · lower
- (H) 2nd Reading Passed — **82–18** (pass) · lower
- (H) Committee Executive Action--Bill Passed — **19–0** (pass) · lower
- (H) 2nd Reading Senate Amendments Concurred — **53–46** (pass) · lower

## Sponsors

- Mike Hopkins — primary (person)

## Timeline

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

- **2023-05-22T19:52:19+00:00** Chapter Number Assigned `became-law`
- **2023-05-22T17:37:00+00:00** (H) Signed by Governor `executive-signature`
- **2023-05-12T17:30:00+00:00** (H) Transmitted to Governor `executive-receipt`
- **2023-05-11T23:00:00+00:00** (S) Signed by President `passage`
- **2023-05-11T22:00:00+00:00** (H) Signed by Speaker `passage`
- **2023-05-11T21:06:42+00:00** (C) Printed - Enrolled Version Available `enrolled`
- **2023-05-11T21:06:01+00:00** (H) Returned from Enrolling
- **2023-05-03T20:35:43+00:00** (H) Sent to Enrolling
- **2023-05-03T02:35:00+00:00** (H) 3rd Reading Passed as Amended by Senate `passage, passage, reading-3, reading-3`
- **2023-05-03T00:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2023-05-02T17:54:00+00:00** (H) 2nd Reading Senate Amendments Concurred `amendment-amendment, amendment-passage, reading-2, reading-2`
- **2023-05-02T14:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2023-04-28T23:30:37+00:00** (S) Returned to House with Amendments
- **2023-04-28T19:57:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2023-04-28T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2023-04-28T16:44:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
- **2023-04-28T16:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2023-04-28T00:13:09+00:00** (C) Printed - New Version Available
- **2023-04-27T21:04:00+00:00** (S) Committee Report--Bill Concurred as Amended
- **2023-04-27T15:00:00+00:00** (S) Committee Executive Action--Bill Concurred as Amended
- **2023-04-18T19:04:48+00:00** (C) Amendments Available
- **2023-04-07T14:00:00+00:00** (S) Hearing
- **2023-04-04T23:18:36+00:00** (S) Referred to Committee `referral-committee`
- **2023-04-04T19:36:25+00:00** (S) First Reading `reading-1`
- **2023-04-04T14:11:16+00:00** (H) Transmitted to Senate
- **2023-04-04T01:56:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2023-03-31T21:33:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2023-03-31T19:17:15+00:00** (H) Fiscal Note Printed
- **2023-03-31T19:17:08+00:00** (H) Fiscal Note Signed
- **2023-03-31T17:55:58+00:00** (H) Fiscal Note Received `receipt`
- **2023-03-29T19:43:00+00:00** (H) Committee Report--Bill Passed `committee-passage`
- **2023-03-29T14:00:00+00:00** (H) Committee Executive Action--Bill Passed `committee-passage`
- **2023-03-28T14:00:00+00:00** (H) Hearing
- **2023-03-25T14:29:54+00:00** (H) First Reading `reading-1`
- **2023-03-25T12:22:48+00:00** (H) Referred to Committee `referral-committee`
- **2023-03-24T22:46:22+00:00** (C) Introduced Bill Text Available Electronically
- **2023-03-24T20:41:33+00:00** (H) Fiscal Note Requested
- **2023-03-24T20:32:55+00:00** (H) Introduced
- **2023-03-24T20:32:54+00:00** (C) Fiscal Note Probable
- **2023-03-24T18:45:00+00:00** (C) Draft Delivered to Requester
- **2023-03-23T22:58:03+00:00** (C) Draft Ready for Delivery
- **2023-03-23T21:42:42+00:00** (C) Executive Director Final Review
- **2023-03-23T21:42:38+00:00** (C) Draft Ready for Delivery
- **2023-03-23T19:44:36+00:00** (C) Draft in Assembly
- **2023-03-23T18:34:43+00:00** (C) Executive Director Review
- **2023-03-23T18:27:40+00:00** (C) Bill Draft Text Available Electronically
- **2023-03-23T18:27:39+00:00** (C) Draft in Final Drafter Review
- **2023-03-23T14:22:50+00:00** (C) Draft in Input/Proofing
- **2023-03-23T01:00:37+00:00** (C) Draft to Drafter - Edit Review
- **2023-03-20T21:42:05+00:00** (C) Draft in Edit
- **2023-03-20T21:24:39+00:00** (C) Draft in Legal Review
- **2023-03-20T17:47:27+00:00** (C) Draft to Requester for Review
- **2023-03-15T21:46:57+00:00** (C) Draft to Requester for Review
- **2023-03-15T21:13:52+00:00** (C) Draft Taken Off Hold
- **2022-12-22T17:22:59+00:00** (C) Draft On Hold
- **2022-12-05T19:05:35+00:00** (C) Draft Request Received `receipt`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/b4284e02-e9a4-47fc-8cf2-eda9990a21b5`. Confidence: reported (aggregated from official Montana legislature records).