---
type: "Bill"
title: "A bill for an act relating to rate increase notice requirements for public utilities."
description: "A bill for an act relating to rate increase notice requirements for public utilities."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2023-2024"
identifier: "HF 601"
citation: "Iowa HF 601 (2023-2024)"
classification: ["bill"]
subjects: ["consumer affairs", "notices", "telecommunications", "utilities", "utilities board"]
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 11
vote_count: 2
first_action: "2023-03-03"
last_action: "2023-04-28"
source: "openstates"
source_identifier: "ocd-bill/607d528b-11c9-4c9c-a7b1-dc08fb481524"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=HF 601&ga=90"
source_hash: "5be5bcbac4f2fcbc7a082d29a191278d273795149a2e94e262034ab4521b7e70"
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 601 (2023-2024) — A bill for an act relating to rate increase notice requirements for public utilities.

## 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/HF601.html)
2. **Signed Enrolled Bill (PDF)** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGE/90/Attachments/HF601_GovLetter.pdf)
3. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/90/attachments/HF601.html)

## Votes

- Shall the bill pass? — **42–7** (pass) · upper
- Shall the bill pass? — **88–8** (pass) · lower

## Sponsors

- COMMITTEE ON COMMERCE — primary (organization)

## Timeline

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

- **2023-03-03** Introduced, placed on calendar. `introduction`
- **2023-03-09** Passed House, yeas 88, nays 8. `passage`
- **2023-03-09** Immediate message.
- **2023-03-13** Message from House.
- **2023-03-13** Read first time, attached to SF 533. `reading-1`
- **2023-03-21** Substituted for SF 533.
- **2023-03-21** Passed Senate, yeas 42, nays 7. `passage`
- **2023-03-21** Immediate message.
- **2023-03-21** 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/607d528b-11c9-4c9c-a7b1-dc08fb481524`. Confidence: reported (aggregated from official Iowa legislature records).