---
type: "Bill"
title: "A bill for an act relating to purchasing of tires from the state by certain volunteer emergency services providers."
description: "A bill for an act relating to purchasing of tires from the state by certain volunteer emergency services providers."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2023-2024"
identifier: "HF 603"
citation: "Iowa HF 603 (2023-2024)"
classification: ["bill"]
subjects: ["administrative services department", "contracts", "emergency management", "emergency medical care", "executive branch", "fire departments", "law enforcement", "purchasing", "tires", "vehicles", "volunteerism"]
status: "enacted"
primary_sponsors: []
version_count: 5
action_count: 26
vote_count: 3
first_action: "2023-03-03"
last_action: "2023-06-01"
source: "openstates"
source_identifier: "ocd-bill/49932c92-d905-4fc6-8892-bf4ed6d8e407"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=HF 603&ga=90"
source_hash: "d6e54756be18c991a753fedf0fc5082605ebce2007b7639a0602df91277d1999"
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 603 (2023-2024) — A bill for an act relating to purchasing of tires from the state by certain volunteer emergency services providers.

## 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/HF603.html)
2. **Amendment H-1254** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/90/H1254.pdf)
3. **Amendment S-3110** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/90/S3110.pdf)
4. **Signed Enrolled Bill (PDF)** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGE/90/Attachments/HF603_GovLetter.pdf)
5. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/90/attachments/HF603.html)

## Votes

- Shall the bill pass? — **97–0** (pass) · lower
- Shall the bill pass? — **50–0** (pass) · upper
- Shall the bill pass? — **94–0** (pass) · lower

## Sponsors

- COMMITTEE ON TRANSPORTATION — primary (organization)

## Timeline

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

- **2023-03-03** Introduced, placed on calendar. `introduction`
- **2023-03-14** Passed House, yeas 97, nays 0. `passage`
- **2023-03-15** Explanation of vote.
- **2023-03-14** Immediate message.
- **2023-03-15** Message from House.
- **2023-03-15** Read first time, referred to State Government. `reading-1`
- **2023-03-21** Subcommittee: Kraayenbrink, Bisignano, and Webster.
- **2023-03-27** Subcommittee Meeting: 03/28/2023 8:45AM Room 217 Conference Room.
- **2023-03-28** Subcommittee recommends amendment and passage. [].
- **2023-03-30** Committee report, recommending amendment and passage. `committee-passage`
- **2023-03-30** Amendment S-3110 filed. `amendment-introduction`
- **2023-04-06** Placed on calendar under unfinished business.
- **2023-04-17** Amendment S-3110 adopted. `amendment-passage`
- **2023-04-17** Passed Senate, yeas 50, nays 0. `passage`
- **2023-04-17** Immediate message.
- **2023-04-18** Message from Senate.
- **2023-04-18** Senate amendment H-1254 filed. `amendment-introduction`
- **2023-05-01** House concurred in Senate amendment H-1254.
- **2023-05-01** Passed House, yeas 94, nays 0. `passage`
- **2023-05-02** Explanation of vote.
- **2023-05-03** Explanation of vote.
- **2023-05-03** Explanation of vote.
- **2023-05-01** Immediate message.
- **2023-05-02** Message from House.
- **2023-05-09** Reported correctly enrolled, signed by Speaker and President, and sent to Governor.
- **2023-06-01** 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/49932c92-d905-4fc6-8892-bf4ed6d8e407`. Confidence: reported (aggregated from official Iowa legislature records).