---
type: "Bill"
title: "Marihuana: other; definitions of marihuana and industrial hemp; modify, and require the marijuana regulatory agency to promulgate rules regarding. Amends secs. 3 & 8 of 2018 IL 1 (MCL 333.27953 & 333.27958)."
description: "Marihuana: other; definitions of marihuana and industrial hemp; modify, and require the marijuana regulatory agency to promulgate rules regarding. Amends secs. 3 & 8 of 2018 IL 1 (MCL 333.27953 & 333.27958)."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2021-2022"
identifier: "HB 4517"
citation: "Michigan HB 4517 (2021-2022)"
classification: ["bill"]
subjects: ["Marihuana: administration", "Marihuana: other"]
status: "enacted"
primary_sponsors: ["Yousef Rabhi"]
version_count: 5
action_count: 32
vote_count: 3
first_action: "2021-03-16T04:00:00+00:00"
last_action: "2021-07-14T04:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/ecdb3abc-00ca-4891-aeb3-ee32fcc4778c"
source_url: "http://legislature.mi.gov/doc.aspx?2021-HB-4517"
source_hash: "c28b209aae256377b234271e5f673d198e94f05dfbfb0071d9527cf764f6d973"
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-mi"]
---

# Michigan HB 4517 (2021-2022) — Marihuana: other; definitions of marihuana and industrial hemp; modify, and require the marijuana regulatory agency to promulgate rules regarding. Amends secs. 3 & 8 of 2018 IL 1 (MCL 333.27953 & 333.27958).

## Version chain

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

1. **As Passed by the House** (committee substitute) — [source](http://legislature.mi.gov/documents/2021-2022/billengrossed/House/htm/2021-HEBH-4517.htm)
2. **As Passed by the Senate** (committee substitute) — [source](http://legislature.mi.gov/documents/2021-2022/billengrossed/House/htm/2021-HEBS-4517.htm)
3. **House Concurred Bill** (committee substitute) — [source](http://legislature.mi.gov/documents/2021-2022/billconcurred/House/htm/2021-HCB-4517.htm)
4. **House Introduced Bill** (committee substitute) — [source](http://legislature.mi.gov/documents/2021-2022/billintroduced/House/htm/2021-HIB-4517.htm)
5. **Public Act** (committee substitute) — [source](http://legislature.mi.gov/documents/2021-2022/publicact/htm/2021-PA-0056.htm)

## Votes

- passed by 3/4 vote; given immediate effect Roll Call # 268 Yeas 103 Nays 5 Excused 0 Not Voting 2 — **103–5** (pass) · lower
- Senate amendment(s) concurred in by 3/4 vote Roll Call # 392 Yeas 103 Nays 5 Excused 0 Not Voting 2 — **103–5** (pass) · lower
- PASSED BY 3/4 VOTE; GIVEN IMMEDIATE EFFECT ROLL CALL # 310 YEAS 35 NAYS 0 EXCUSED 1 NOT VOTING 0 — **35–0** (pass) · upper

## Sponsors

- Yousef Rabhi — primary (person)
- Jim Lilly — cosponsor (person)
- Roger Hauck — cosponsor (person)

## Timeline

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

- **2021-03-16T04:00:00+00:00** introduced by Representative Yousef Rabhi `introduction`
- **2021-03-16T04:00:00+00:00** read a first time `reading-1`
- **2021-03-16T04:00:00+00:00** referred to Committee on Regulatory Reform `referral-committee`
- **2021-03-17T04:00:00+00:00** bill electronically reproduced 03/16/2021
- **2021-05-18T04:00:00+00:00** reported with recommendation with substitute (H-4) `committee-passage`
- **2021-05-18T04:00:00+00:00** referred to second reading
- **2021-05-26T04:00:00+00:00** read a second time `reading-2`
- **2021-05-26T04:00:00+00:00** substitute (H-4) adopted
- **2021-05-26T04:00:00+00:00** placed on third reading
- **2021-05-27T04:00:00+00:00** read a third time `reading-3`
- **2021-05-27T04:00:00+00:00** passed by 3/4 vote; given immediate effect Roll Call # 268 Yeas 103 Nays 5 Excused 0 Not Voting 2 `passage`
- **2021-05-27T04:00:00+00:00** title amended
- **2021-05-27T04:00:00+00:00** transmitted
- **2021-06-02T04:00:00+00:00** REFERRED TO COMMITTEE ON REGULATORY REFORM `referral-committee`
- **2021-06-17T04:00:00+00:00** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage`
- **2021-06-17T04:00:00+00:00** COMMITTEE RECOMMENDED IMMEDIATE EFFECT
- **2021-06-17T04:00:00+00:00** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
- **2021-06-23T04:00:00+00:00** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITHOUT AMENDMENT(S) `committee-passage`
- **2021-06-23T04:00:00+00:00** PLACED ON ORDER OF THIRD READING
- **2021-06-24T04:00:00+00:00** AMENDMENT(S) ADOPTED `amendment-passage`
- **2021-06-24T04:00:00+00:00** PASSED BY 3/4 VOTE; GIVEN IMMEDIATE EFFECT ROLL CALL # 310 YEAS 35 NAYS 0 EXCUSED 1 NOT VOTING 0 `passage`
- **2021-06-24T04:00:00+00:00** INSERTED FULL TITLE
- **2021-06-24T04:00:00+00:00** returned from Senate with amendment(s) with immediate effect and full title
- **2021-06-24T04:00:00+00:00** laid over one day under the rules
- **2021-06-24T04:00:00+00:00** rule suspended
- **2021-06-24T04:00:00+00:00** Senate amendment(s) concurred in by 3/4 vote Roll Call # 392 Yeas 103 Nays 5 Excused 0 Not Voting 2
- **2021-06-24T04:00:00+00:00** full title agreed to
- **2021-06-24T04:00:00+00:00** bill ordered enrolled
- **2021-06-30T04:00:00+00:00** presented to the Governor 06/30/2021 02:08 PM `executive-receipt`
- **2021-07-14T04:00:00+00:00** approved by the Governor 07/13/2021 10:14 AM `executive-signature`
- **2021-07-14T04:00:00+00:00** filed with Secretary of State 07/13/2021 04:36 PM
- **2021-07-14T04:00:00+00:00** assigned PA 56'21 with immediate effect

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/ecdb3abc-00ca-4891-aeb3-ee32fcc4778c`. Confidence: reported (aggregated from official Michigan legislature records).