---
type: "Bill"
title: "A bill for an act relating to boiler and unfired steam pressure vessel inspections. (Formerly HSB 579.) Effective 7-1-18."
description: "A bill for an act relating to boiler and unfired steam pressure vessel inspections. (Formerly HSB 579.) Effective 7-1-18."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2017-2018"
identifier: "HF 2297"
citation: "Iowa HF 2297 (2017-2018)"
classification: ["bill"]
subjects: ["boilers", "inspections", "steam energy"]
status: "enacted"
primary_sponsors: []
version_count: 6
action_count: 25
vote_count: 3
first_action: "2018-02-08"
last_action: "2018-04-10"
source: "openstates"
source_identifier: "ocd-bill/c33f1f38-e653-4cc1-bc1a-fbd4db8eb05b"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=HF 2297&ga=87"
source_hash: "991dce849c949c3eb8d9e34cf9d19033966cd84f200304674602e5ee2002868e"
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 2297 (2017-2018) — A bill for an act relating to boiler and unfired steam pressure vessel inspections. (Formerly HSB 579.) Effective 7-1-18.

## 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/87/attachments/HF2297.html)
2. **Amendment H-8008** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/H8008.pdf)
3. **Amendment H-8323** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/H8323.pdf)
4. **Amendment S-5146** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/S5146.pdf)
5. **Reprinted** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGR/87/attachments/HF2297.html)
6. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/87/attachments/HF2297.html)

## Votes

- Shall the bill pass? — **57–40** (pass) · lower
- Shall the bill pass? — **26–21** (pass) · upper
- Shall the bill pass? — **58–40** (pass) · lower

## Timeline

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

- **2018-02-08** Introduced, placed on calendar. `introduction`
- **2018-02-12** Amendment H-8008 filed. `amendment-introduction`
- **2018-02-19** Fiscal note.
- **2018-02-19** Amendment H-8008 adopted. `amendment-passage`
- **2018-02-19** Passed House, ayes 57, nays 40. `passage`
- **2018-02-19** Immediate message.
- **2018-02-20** Message from House.
- **2018-02-20** Read first time, referred to Labor and Business Relations. `reading-1`
- **2018-02-20** Fiscal note.
- **2018-02-21** Subcommittee: Brown, Guth, and Taylor.
- **2018-03-13** Committee report, recommending amendment and passage. `committee-passage`
- **2018-03-13** Amendment S-5146 filed. `amendment-introduction`
- **2018-03-22** Placed on calendar under unfinished business.
- **2018-03-27** Amendment S-5146 adopted. `amendment-passage`
- **2018-03-27** Passed Senate, ayes 26, nays 21. `passage`
- **2018-03-27** Immediate message.
- **2018-03-27** Message from Senate.
- **2018-03-27** Senate amendment H-8323 filed.
- **2018-04-02** House concurred H-8323.
- **2018-04-02** Passed House, ayes 58, nays 40. `passage`
- **2018-04-03** Explanations of votes.
- **2018-04-02** Immediate message.
- **2018-04-03** Message from House.
- **2018-04-10** Reported correctly enrolled, signed by Speaker and President, and sent to Governor.
- **2018-04-10** 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/c33f1f38-e653-4cc1-bc1a-fbd4db8eb05b`. Confidence: reported (aggregated from official Iowa legislature records).