---
type: "Bill"
title: "A bill for an act regarding driving privileges of persons issued a special minor’s driver’s license, and making penalties applicable. (Formerly SF 79.) Effective date: 07/01/2021."
description: "A bill for an act regarding driving privileges of persons issued a special minor’s driver’s license, and making penalties applicable. (Formerly SF 79.) Effective date: 07/01/2021."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2021-2022"
identifier: "SF 231"
citation: "Iowa SF 231 (2021-2022)"
classification: ["bill"]
subjects: ["driver's licenses", "driving", "farming", "labor and employment", "motor vehicles", "students", "vehicles"]
status: "enacted"
primary_sponsors: []
version_count: 7
action_count: 17
vote_count: 2
first_action: "2021-02-02"
last_action: "2021-03-08"
source: "openstates"
source_identifier: "ocd-bill/ce1c815a-4a55-44ab-a1c0-bf4469a34c9d"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=SF 231&ga=89"
source_hash: "0b4113fbe416fbc6b0bca91bee0d99f440c6ff9f70f15f63e9348315aac53c72"
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 231 (2021-2022) — A bill for an act regarding driving privileges of persons issued a special minor’s driver’s license, and making penalties applicable. (Formerly SF 79.) 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/SF231.html)
2. **Amendment H-1054** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/89/H1054.pdf)
3. **Amendment S-3015** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/89/S3015.pdf)
4. **Reprinted** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGR/89/attachments/SF231.html)
5. **Reprinted Marked Up** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGRM/89/attachments/SF231.html)
6. **Signed Enrolled Bill (PDF)** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGE/89/Attachments/SF231_GovLetter.pdf)
7. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/89/attachments/SF231.html)

## Votes

- Shall the bill pass? — **88–4** (pass) · lower
- Shall the bill pass? — **46–0** (pass) · upper

## Timeline

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

- **2021-02-02** Introduced, placed on calendar. `introduction`
- **2021-02-02** Committee report, approving bill.
- **2021-02-03** Amendment S-3015 filed, adopted. `amendment-introduction, amendment-passage`
- **2021-02-03** Passed Senate, yeas 46, nays 0. `passage`
- **2021-02-03** Immediate message.
- **2021-02-04** Message from Senate.
- **2021-02-04** Read first time, passed on file. `reading-1`
- **2021-02-11** Amendment H-1054 filed. `amendment-introduction`
- **2021-02-16** Substituted for HF 387.
- **2021-02-16** Amendment H-1054 lost.
- **2021-02-16** Passed House, yeas 88, nays 4. `passage`
- **2021-02-17** Explanation of vote.
- **2021-02-24** Explanation of vote.
- **2021-02-16** Immediate message.
- **2021-02-17** Message from House.
- **2021-03-08** Reported correctly enrolled, signed by President and Speaker, and sent to Governor.
- **2021-03-08** 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/ce1c815a-4a55-44ab-a1c0-bf4469a34c9d`. Confidence: reported (aggregated from official Iowa legislature records).