---
type: "Bill"
title: "A bill for an act concerning the medical cannabidiol Act and marijuana. (Formerly HSB 653.) Effective date: 07/01/2020."
description: "A bill for an act concerning the medical cannabidiol Act and marijuana. (Formerly HSB 653.) Effective date: 07/01/2020."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2019-2020"
identifier: "HF 2589"
citation: "Iowa HF 2589 (2019-2020)"
classification: ["bill"]
subjects: ["health", "marijuana", "medical care", "nursing", "physician assisting", "podiatry"]
status: "enacted"
primary_sponsors: []
version_count: 11
action_count: 26
vote_count: 7
first_action: "2020-02-27"
last_action: "2020-06-29"
source: "openstates"
source_identifier: "ocd-bill/6deb4429-1f62-49dd-9766-f0deaf0dd0b8"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=HF 2589&ga=88"
source_hash: "4f5659ccc69db0f18e2639eca8a7a4042e8c8efdedda3650068afc1e34c984a5"
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-ia"]
---

# Iowa HF 2589 (2019-2020) — A bill for an act concerning the medical cannabidiol Act and marijuana. (Formerly HSB 653.) Effective date: 07/01/2020.

## Version chain

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

1. **Introduced** (filed) — [source](https://www.legis.iowa.gov/docs/publications/LGI/88/attachments/HF2589.html)
2. **Amendment H-8101** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/88/H8101.pdf)
3. **Amendment H-8104** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/88/H8104.pdf)
4. **Amendment H-8119** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/88/H8119.pdf)
5. **Amendment H-8128** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/88/H8128.pdf)
6. **Amendment H-8142** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/88/H8142.pdf)
7. **Amendment H-8143** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/88/H8143.pdf)
8. **Amendment H-8144** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/88/H8144.pdf)
9. **Reprinted** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGR/88/attachments/HF2589.html)
10. **Reprinted Marked Up** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGRM/88/attachments/HF2589.html)
11. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/88/attachments/HF2589.html)

## Votes

- Shall amendment H-8142, to amendment H-8128, be adopted? — **48–52** (fail) · lower
- Shall the bill pass? — **32–17** (pass) · upper
- Shall amendment H-8101 be adopted? — **48–52** (fail) · lower
- Shall amendment H-8143, to amendment H-8128, be adopted? — **48–52** (fail) · lower
- Shall amendment H-8144, to amendment H-8128, be adopted? — **48–52** (fail) · lower
- Shall the bill pass? — **52–48** (pass) · lower
- Shall the rules be suspended to consider amendment H-8128? — **53–47** (pass) · lower

## Timeline

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

- **2020-02-27** Introduced, placed on calendar. `introduction`
- **2020-03-06** Amendments H-8101 and H-8104 filed.
- **2020-03-09** Amendments H-8119, H-8120, H-8126, H-8128, H-8129 and H-8130 filed.
- **2020-03-10** Amendment H-8104, to amendment H-8101 withdrawn.
- **2020-03-10** Amendment H-8101 lost.
- **2020-03-10** Amendment H-8142, to amendment H-8128 filed.
- **2020-03-10** Amendment H-8142, to amendment H-8128 lost.
- **2020-03-10** Amendment H-8143, to amendment H-8128 filed.
- **2020-03-10** Amendment H-8143, to amendment H-8128 lost.
- **2020-03-10** Amendment H-8144, to amendment H-8128 filed.
- **2020-03-10** Amendment H-8144, to amendment H-8128 lost.
- **2020-03-10** Point of order raised on H-8128, ruled not germane.
- **2020-03-10** Motion to suspend rules for consideration of H-8128.
- **2020-03-10** Motion to suspend rules prevailed.
- **2020-03-10** Amendment H-8128 adopted. `amendment-passage`
- **2020-03-10** Amendments H-8119, H-8120, H-8126, H-8129 and H-8130 out of order.
- **2020-03-10** Passed House, yeas 52, nays 48. `passage`
- **2020-03-10** Immediate message.
- **2020-03-11** Message from House.
- **2020-03-11** Read first time, attached to similar SF 2363. `reading-1`
- **2020-06-03** Substituted for SF 2363.
- **2020-06-03** Passed Senate, yeas 32, nays 17. `passage`
- **2020-06-03** Immediate message.
- **2020-06-03** Message from Senate.
- **2020-06-16** Reported correctly enrolled, signed by Speaker and President, and sent to Governor.
- **2020-06-29** Signed by Governor. `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/6deb4429-1f62-49dd-9766-f0deaf0dd0b8`. Confidence: reported (aggregated from official Iowa legislature records).