---
type: "Bill"
title: "A bill for an act relating to controlled substances including the manufacture, delivery, or possession of a controlled substance including fentanyl; the manufacture of a controlled substance in the presence of a minor; conspiracy to manufacture for delivery or delivery or intent or conspiracy to deliver a controlled substance to a minor; receipt, provision, and administration of opioid antagonists, including by secondary distributors; providing for immunity; and providing penalties."
description: "A bill for an act relating to controlled substances including the manufacture, delivery, or possession of a controlled substance including fentanyl; the manufacture of a controlled substance in the presence of a minor; conspiracy to manufacture for delivery or delivery or intent or conspiracy to deliver a controlled substance to a minor; receipt, provision, and administration of opioid antagonists, including by secondary distributors; providing for immunity; and providing penalties."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2023-2024"
identifier: "HF 595"
citation: "Iowa HF 595 (2023-2024)"
classification: ["bill"]
subjects: ["conspiracy", "controlled substances", "drugs", "felonies", "imitation controlled substances", "immunity", "minors", "narcotics", "pharmacy", "receipts"]
status: "enacted"
primary_sponsors: []
version_count: 7
action_count: 21
vote_count: 3
first_action: "2023-03-02"
last_action: "2023-05-22"
source: "openstates"
source_identifier: "ocd-bill/6c979c7c-2d03-4aad-a051-96a1f3b82434"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=HF 595&ga=90"
source_hash: "717193b6b7f0c3f2d6a8304cbe4e29c8e2aa0361b132a85c7d238f16fbf45991"
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 595 (2023-2024) — A bill for an act relating to controlled substances including the manufacture, delivery, or possession of a controlled substance including fentanyl; the manufacture of a controlled substance in the presence of a minor; conspiracy to manufacture for delivery or delivery or intent or conspiracy to deliver a controlled substance to a minor; receipt, provision, and administration of opioid antagonists, including by secondary distributors; providing for immunity; and providing penalties.

## 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/90/attachments/HF595.html)
2. **Amendment H-1134** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/90/H1134.pdf)
3. **Amendment H-1135** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/90/H1135.pdf)
4. **Amendment H-1136** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/90/H1136.pdf)
5. **Reprinted** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGR/90/attachments/HF595.html)
6. **Signed Enrolled Bill (PDF)** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGE/90/Attachments/HF595_GovLetter.pdf)
7. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/90/attachments/HF595.html)

## Votes

- Shall amendment H-1134 be adopted? — **35–59** (fail) · lower
- Shall the bill pass? — **91–3** (pass) · lower
- Shall the bill pass? — **41–9** (pass) · upper

## Sponsors

- COMMITTEE ON JUDICIARY — primary (organization)

## Timeline

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

- **2023-03-02** Introduced, placed on calendar. `introduction`
- **2023-03-17** Amendment H-1134 filed. `amendment-introduction`
- **2023-03-20** Fiscal note.
- **2023-03-20** Amendments H-1135 and H-1136 filed.
- **2023-03-21** Amendment H-1135 adopted. `amendment-passage`
- **2023-03-21** Amendment H-1134, yeas 35, nays 59, lost.
- **2023-03-21** Amendment H-1136 adopted. `amendment-passage`
- **2023-03-21** Passed House, yeas 91, nays 3. `passage`
- **2023-03-22** Explanation of vote.
- **2023-03-21** Immediate message.
- **2023-03-22** Message from House.
- **2023-03-22** Read first time, attached to SF 508. `reading-1`
- **2023-03-30** Placed on calendar under unfinished business.
- **2023-03-31** Fiscal note.
- **2023-04-17** Substituted for SF 508.
- **2023-04-17** Passed Senate, yeas 41, nays 9. `passage`
- **2023-04-17** Immediate message.
- **2023-04-18** Message from Senate.
- **2023-05-09** Reported correctly enrolled, signed by Speaker and President, and sent to Governor.
- **2023-05-16** Signed by Governor. `executive-signature`
- **2023-05-22** Fiscal note.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/6c979c7c-2d03-4aad-a051-96a1f3b82434`. Confidence: reported (aggregated from official Iowa legislature records).