---
type: "Bill"
title: "Cannabis Reform"
description: "Cannabis Reform"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2023"
identifier: "HB 556"
citation: "Maryland HB 556 (2023)"
classification: ["bill"]
subjects: ["A"]
status: "enacted"
primary_sponsors: ["Atterbeary", "Wilson"]
version_count: 4
action_count: 24
vote_count: 0
first_action: "2023-02-03"
last_action: "2023-05-03"
source: "openstates"
source_identifier: "ocd-bill/d8f2492d-4413-4d0c-b529-fadc541b0310"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0556?ys=2023RS&search=True"
source_hash: "7b4dfe4bc8d773e9d47de468bac12653b4bed05feeb296c0484c9d0d04960db7"
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-md"]
---

# Maryland HB 556 (2023) — Cannabis Reform

## Version chain

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

1. **Chapter - Cannabis Reform** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/Chapters_noln/CH_254_hb0556e.pdf)
2. **Enrolled - Cannabis Reform** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/hb/hb0556e.pdf)
3. **First - Cannabis Reform** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/hb/hb0556f.pdf)
4. **Third - Cannabis Reform** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/hb/hb0556t.pdf)

## Sponsors

- Atterbeary — primary (person)
- Wilson — primary (person)

## Timeline

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

- **2023-02-03** First Reading Economic Matters `referral-committee`
- **2023-02-03** Hearing 2/17 at 1:00 p.m.
- **2023-03-06** Favorable with Amendments Report by Economic Matters `committee-passage-favorable`
- **2023-03-07** Favorable with Amendments { `committee-passage-favorable`
- **2023-03-07** Motion Special Order until 3/8 (Delegate Buckel) Adopted
- **2023-03-08** Floor Amendment {
- **2023-03-08** Floor Amendment {
- **2023-03-08** Floor Amendment {
- **2023-03-08** Floor Amendment {
- **2023-03-08** Floor Amendment {
- **2023-03-08** Floor Amendment {
- **2023-03-08** Second Reading Passed with Amendments
- **2023-03-10** Third Reading Passed `passage`
- **2023-03-13** Referred Finance Budget and Taxation `referral-committee`
- **2023-04-07** Favorable with Amendments Report by Finance `committee-passage-favorable`
- **2023-04-07** Favorable with Amendments { `committee-passage-favorable`
- **2023-04-07** Second Reading Passed with Amendments
- **2023-04-07** Motion Rules Suspend Two Readings Same Day Const/Rule 24 (Senator Griffith) Adopted
- **2023-04-07** Floor Amendment {
- **2023-04-07** Third Readings Passed with Amendments
- **2023-04-08** House Concurs Senate Amendments
- **2023-04-08** Third Reading Passed `passage`
- **2023-04-08** Passed Enrolled
- **2023-05-03** Approved by the Governor - Chapter 254 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/d8f2492d-4413-4d0c-b529-fadc541b0310`. Confidence: reported (aggregated from official Maryland legislature records).