---
type: "Bill"
title: "medical marijuana; research; mental health."
description: "medical marijuana; research; mental health."
jurisdiction: "us/states/az"
legislature: "Arizona Legislature"
session: "55th-1st-regular"
identifier: "SB 1847"
citation: "Arizona SB 1847 (55th-1st-regular)"
classification: ["bill"]
subjects: ["EXEMPTION (H)", "EXEMPTION FROM RULEMAKING", "MARIJUANA (H)", "MEDICAL MARIJUANA", "MENTAL HEALTH", "PUBLIC HEALTH AND SAFETY - TITLE 36", "REQUIREMENTS FOR ENACTMENT (H)", "REQUIREMENTS FOR ENACTMENT", "INITIATIVE OR REFERENDUM (RFEIR)", "REQUIREMENTS FOR ENACTMENT; THREE-FOURTHS VOTE", "RESEARCH", "RFEIR (SEE: REQUIREMENTS FOR ENACTMENT", "INITIATIVE OR REFERENDUM)"]
status: "enacted"
primary_sponsors: ["Nancy Barto"]
version_count: 3
action_count: 9
vote_count: 3
first_action: "2021-06-10"
last_action: "2021-06-30"
source: "openstates"
source_identifier: "ocd-bill/dfd81e06-f114-4507-a09e-9c112ba90b3b"
source_url: "https://apps.azleg.gov/BillStatus/BillOverview/76189?SessionId=123"
source_hash: "d845541f53d9dee1b52b08ce08774ea0739be1d7f52a70ee39b6db5ab2a90538"
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-az"]
---

# Arizona SB 1847 (55th-1st-regular) — medical marijuana; research; mental health.

## Version chain

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

1. **Chaptered Version** (committee substitute) — [source](https://www.azleg.gov/legtext/55leg/1R/laws/0398.htm)
2. **Introduced Version** (committee substitute) — [source](https://www.azleg.gov/legtext/55leg/1R/bills/SB1847P.htm)
3. **Senate Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/55leg/1R/bills/SB1847S.htm)

## Votes

- Passed — **27–3** (pass) · upper
- Passed — **0–0** (fail) · upper
- Passed — **55–3** (pass) · lower

## Sponsors

- Nancy Barto — primary (person)

## Timeline

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

- **2021-06-10** Senate First Reading `reading-1`
- **2021-06-14** Senate Second Reading `reading-2`
- **2021-06-24** PASSED `passage`
- **2021-06-24** PASSED `passage, reading-3`
- **2021-06-24** Transmit to House
- **2021-06-28** PASSED `passage, reading-3`
- **2021-06-28** Transmit to Senate
- **2021-06-30** Signed by Governor `executive-signature`
- **2021-06-30** Transmit to Governor `executive-receipt`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/dfd81e06-f114-4507-a09e-9c112ba90b3b`. Confidence: reported (aggregated from official Arizona legislature records).