---
type: "Bill"
title: "A bill for an act relating to contract pharmacies and covered entities that participate in the 340B drug program."
description: "A bill for an act relating to contract pharmacies and covered entities that participate in the 340B drug program."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2023-2024"
identifier: "HF 423"
citation: "Iowa HF 423 (2023-2024)"
classification: ["bill"]
subjects: ["contracts", "health insurance", "insurance", "medical care", "pharmacy", "pharmacy benefits managers", "prescription drugs"]
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 13
vote_count: 2
first_action: "2023-02-22"
last_action: "2023-04-28"
source: "openstates"
source_identifier: "ocd-bill/1741adb6-8681-4f27-9979-67df7840668d"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=HF 423&ga=90"
source_hash: "f7b932b051f2124bbf7e7753dc16bb4c5ade9c9037195ffffca43deebc73a847"
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 423 (2023-2024) — A bill for an act relating to contract pharmacies and covered entities that participate in the 340B drug program.

## 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/HF423.html)
2. **Signed Enrolled Bill (PDF)** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGE/90/Attachments/HF423_GovLetter.pdf)
3. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/90/attachments/HF423.html)

## Votes

- Shall the bill pass? — **98–0** (pass) · lower
- Shall the bill pass? — **49–0** (pass) · upper

## Sponsors

- COMMITTEE ON HEALTH AND HUMAN SERVICES — primary (organization)

## Timeline

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

- **2023-02-22** Introduced, placed on calendar. `introduction`
- **2023-03-06** Fiscal note.
- **2023-03-07** Passed House, yeas 98, nays 0. `passage`
- **2023-03-07** Immediate message.
- **2023-03-07** Message from House.
- **2023-03-07** Read first time, attached to SF 419. `reading-1`
- **2023-03-30** Placed on calendar under unfinished business.
- **2023-04-20** Substituted for SF 419.
- **2023-04-20** Passed Senate, yeas 49, nays 1. `passage`
- **2023-04-20** Immediate message.
- **2023-04-20** Message from Senate.
- **2023-04-28** Reported correctly enrolled, signed by Speaker and President, and sent to Governor.
- **2023-04-28** 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/1741adb6-8681-4f27-9979-67df7840668d`. Confidence: reported (aggregated from official Iowa legislature records).