---
type: "Bill"
title: "A bill for an act relating to the regulation of dental hygienists and dental assistants, and the practice of dentistry, and providing administrative penalties. (Formerly HSB 153.) Effective date: 07/01/2020."
description: "A bill for an act relating to the regulation of dental hygienists and dental assistants, and the practice of dentistry, and providing administrative penalties. (Formerly HSB 153.) Effective date: 07/01/2020."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2019-2020"
identifier: "HF 2267"
citation: "Iowa HF 2267 (2019-2020)"
classification: ["bill"]
subjects: ["continuing education", "dental care", "health", "health-related professions", "medical care", "professional licensure", "professions", "teeth"]
status: "enacted"
primary_sponsors: []
version_count: 2
action_count: 13
vote_count: 2
first_action: "2020-02-06"
last_action: "2020-03-12"
source: "openstates"
source_identifier: "ocd-bill/223fffd3-3790-4d81-9848-73225af8716d"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=HF 2267&ga=88"
source_hash: "a8a026192203330b2171a5facda03da084697997522f89aada22a133dd0b796d"
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 2267 (2019-2020) — A bill for an act relating to the regulation of dental hygienists and dental assistants, and the practice of dentistry, and providing administrative penalties. (Formerly HSB 153.) Effective date: 07/01/2020.

## 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/88/attachments/HF2267.html)
2. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/88/attachments/HF2267.html)

## Votes

- Shall the bill pass? — **98–0** (pass) · lower
- Shall the bill pass? — **48–0** (pass) · upper

## Timeline

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

- **2020-02-06** Introduced, placed on calendar. `introduction`
- **2020-03-03** Passed House, yeas 98, nays none. `passage`
- **2020-03-09** Explanation of vote.
- **2020-03-10** Explanation of vote.
- **2020-03-03** Immediate message.
- **2020-03-03** Message from House.
- **2020-03-03** Read first time, attached to companion SF 2233. `reading-1`
- **2020-03-04** Substituted for SF 2233.
- **2020-03-04** Passed Senate, yeas 48, nays 0. `passage`
- **2020-03-04** Immediate message.
- **2020-03-04** Message from Senate.
- **2020-03-11** Reported correctly enrolled, signed by Speaker and President, and sent to Governor.
- **2020-03-12** 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/223fffd3-3790-4d81-9848-73225af8716d`. Confidence: reported (aggregated from official Iowa legislature records).