---
type: "Bill"
title: "A bill for an act relating to the regulation of advertising devices near certain highways. (Formerly SSB 1220.) Effective date: 07/01/2021."
description: "A bill for an act relating to the regulation of advertising devices near certain highways. (Formerly SSB 1220.) Effective date: 07/01/2021."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2021-2022"
identifier: "SF 548"
citation: "Iowa SF 548 (2021-2022)"
classification: ["bill"]
subjects: ["advertising", "commercial law", "highways"]
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 15
vote_count: 2
first_action: "2021-03-04"
last_action: "2021-06-08"
source: "openstates"
source_identifier: "ocd-bill/5a5b2eb1-c2de-498a-8e78-dfeb269285c0"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=SF 548&ga=89"
source_hash: "658ae2e4339f2af27ab2d70486009350b6c4bf1b260acd14d7a150f47dbe3fa3"
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 SF 548 (2021-2022) — A bill for an act relating to the regulation of advertising devices near certain highways. (Formerly SSB 1220.) Effective date: 07/01/2021.

## 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/89/attachments/SF548.html)
2. **Signed Enrolled Bill (PDF)** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGE/89/Attachments/SF548_GovLetter.pdf)
3. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/89/attachments/SF548.html)

## Votes

- Shall the bill pass? — **48–0** (pass) · upper
- Shall the bill pass? — **92–0** (pass) · lower

## Timeline

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

- **2021-03-04** Introduced, placed on calendar. `introduction`
- **2021-03-04** Committee report, approving bill.
- **2021-03-08** Fiscal note.
- **2021-03-08** Passed Senate, yeas 48, nays 0. `passage`
- **2021-03-08** Immediate message.
- **2021-03-08** Message from Senate.
- **2021-03-09** Read first time, passed on file. `reading-1`
- **2021-03-11** Substituted for HF 792.
- **2021-03-11** Passed House, yeas 92, nays none. `passage`
- **2021-03-16** Explanations of votes.
- **2021-03-11** Immediate message.
- **2021-03-15** Message from House.
- **2021-04-12** Reported correctly enrolled, signed by President and Speaker, and sent to Governor.
- **2021-04-12** Signed by Governor. `executive-signature`
- **2021-06-08** Fiscal note.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/5a5b2eb1-c2de-498a-8e78-dfeb269285c0`. Confidence: reported (aggregated from official Iowa legislature records).