---
type: "Bill"
title: "A bill for an act relating to COVID-19 vaccination requirements by employers and unemployment insurance and including effective date provisions. (Formerly HSB 281.) Effective date: Enactment, 10/29/2021."
description: "A bill for an act relating to COVID-19 vaccination requirements by employers and unemployment insurance and including effective date provisions. (Formerly HSB 281.) Effective date: Enactment, 10/29/2021."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2021-2022"
identifier: "HF 902"
citation: "Iowa HF 902 (2021-2022)"
classification: ["bill"]
subjects: ["covid-19", "immunizations", "labor and employment", "unemployment compensation"]
status: "enacted"
primary_sponsors: []
version_count: 5
action_count: 23
vote_count: 4
first_action: "2021-10-28"
last_action: "2021-10-29"
source: "openstates"
source_identifier: "ocd-bill/d12d656f-f279-48b6-add0-7f0b4d219960"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=HF 902&ga=89"
source_hash: "4aa214e3751a6bc31f804a3e84fdf52a0867f1d47eea9a6d3c64848e0871b161"
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 902 (2021-2022) — A bill for an act relating to COVID-19 vaccination requirements by employers and unemployment insurance and including effective date provisions. (Formerly HSB 281.) Effective date: Enactment, 10/29/2021.

## 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/HF902.html)
2. **Amendment H-1538** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/89/H1538.pdf)
3. **Amendment H-1539** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/89/H1539.pdf)
4. **Signed Enrolled Bill (PDF)** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGE/89/Attachments/HF902_GovLetter.pdf)
5. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/89/attachments/HF902.html)

## Votes

- Shall the bill pass? — **45–4** (pass) · upper
- Shall the bill pass? — **68–27** (pass) · lower
- Shall the rules be suspended to consider amendment H-1539? — **37–57** (fail) · lower
- Shall the rules be suspended to consider amendment H-1538? — **37–57** (fail) · lower

## Timeline

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

- **2021-10-28** Introduced, placed on calendar. `introduction`
- **2021-10-28** Amendment H-1538 filed. `amendment-introduction`
- **2021-10-28** Point of order raised on H-1538, ruled not germane.
- **2021-10-28** Motion to suspend rules for immediate consideration of H-1538.
- **2021-10-28** Motion to suspend rules failed.
- **2021-10-28** Explanation of vote.
- **2021-10-28** Amendment H-1539 filed. `amendment-introduction`
- **2021-10-28** Point of order raised on H-1539, ruled not germane.
- **2021-10-28** Motion to suspend rules for immediate consideration of H-1539.
- **2021-10-28** Motion to suspend rules failed.
- **2021-10-28** Explanation of vote.
- **2021-10-28** Point of order raised, Rule 10, decorum in debate, ruled point well taken.
- **2021-10-28** Passed House, yeas 68, nays 27. `passage`
- **2021-10-28** Explanation of vote.
- **2021-10-28** Immediate message.
- **2021-10-28** Message from House.
- **2021-10-28** Read first time, attached to companion SF 622. `reading-1`
- **2021-10-28** Substituted for SF 622.
- **2021-10-28** Passed Senate, yeas 45, nays 4. `passage`
- **2021-10-28** Immediate message.
- **2021-10-28** Message from Senate.
- **2021-10-29** Reported correctly enrolled, signed by Speaker and President, and sent to Governor.
- **2021-10-29** 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/d12d656f-f279-48b6-add0-7f0b4d219960`. Confidence: reported (aggregated from official Iowa legislature records).