---
type: "Bill"
title: "Optometrist practice act amendments."
description: "2021/Summaries/HB0039.pdf"
jurisdiction: "us/states/wy"
legislature: "Wyoming Legislature"
session: "2021"
identifier: "HB 39"
citation: "Wyoming HB 39 (2021)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Sommers"]
version_count: 7
action_count: 20
vote_count: 4
first_action: "2021-01-04T22:23:57+00:00"
last_action: "2021-04-02T19:42:45+00:00"
source: "openstates"
source_identifier: "ocd-bill/54a28171-8010-4b22-bc36-941481530692"
source_url: "http://lso.wyoleg.gov/Legislation/2021/HB0039"
source_hash: "af7c98c797e55ed5f84e46fd14bb923d1196158f5397e6f0bd3b756ee1bf424f"
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-wy"]
---

# Wyoming HB 39 (2021) — Optometrist practice act amendments.

2021/Summaries/HB0039.pdf

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Introduced** (filed) — [source](http://wyoleg.gov/2021/Introduced/HB0039.pdf)
2. **Amendment HB0039H2001 (2nd reading) - Representative Zwonitzer (Adopted)** (committee substitute) — [source](http://wyoleg.gov/2021/Amends/HB0039H2001.pdf)
3. **Amendment HB0039H3001 (3rd reading) - Representative Zwonitzer (Adopted)** (committee substitute) — [source](http://wyoleg.gov/2021/Amends/HB0039H3001.pdf)
4. **Amendment HB0039H3002 (3rd reading) - Representative Styvar (Withdrawn)** (committee substitute) — [source](http://wyoleg.gov/2021/Amends/HB0039H3002.pdf)
5. **Amendment HB0039HS001 (Standing Committee) - House Corporations, Elections & Political Subdivis (Adopted)** (committee substitute) — [source](http://wyoleg.gov/2021/Amends/HB0039HS001.pdf)
6. **Amendment HB0039HW001 (Committee of the Whole) - Representative Zwonitzer (Corrected, Failed)** (committee substitute) — [source](http://wyoleg.gov/2021/Amends/HB0039HW001.pdf)
7. **Enrolled** (enrolled) — [source](http://wyoleg.gov/2021/Enroll/HB0039.pdf)

## Votes

- S 3rd Reading:Passed 26-3-1-0-0 — **26–3** (pass) · upper
- H 3rd Reading:Passed 47-11-2-0-0 — **47–11** (pass) · lower
- S07 - Corporations:Recommend Do Pass 5-0-0-0-0 — **5–0** (pass) · upper
- H07 - Corporations:Recommend Amend and Do Pass 8-1-0-0-0 — **8–1** (pass) · lower

## Sponsors

- Sommers — primary (person)
- Baldwin — cosponsor (person)
- Barlow — cosponsor (person)
- Harshman — cosponsor (person)
- Henderson — cosponsor (person)
- Larsen — cosponsor (person)
- Schuler — cosponsor (person)

## Timeline

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

- **2021-04-02T19:42:45+00:00** Assigned Chapter Number 78
- **2021-04-02T19:41:13+00:00** Governor Signed HEA No. 0036 `executive-signature`
- **2021-03-30T17:31:29+00:00** S President Signed HEA No. 0036
- **2021-03-30T16:13:47+00:00** H Speaker Signed HEA No. 0036
- **2021-03-26T23:18:31+00:00** Assigned Number HEA No. 0036
- **2021-03-26T16:36:25+00:00** S 3rd Reading:Passed 26-3-1-0-0 `passage, reading-3`
- **2021-03-25T16:18:35+00:00** S 2nd Reading:Passed `reading-2`
- **2021-03-24T23:06:49+00:00** S COW:Passed
- **2021-03-23T20:22:27+00:00** S Placed on General File
- **2021-03-23T20:22:22+00:00** S07 - Corporations:Recommend Do Pass 5-0-0-0-0 `committee-passage-favorable`
- **2021-03-17T20:13:16+00:00** S Introduced and Referred to S07 - Corporations `introduction, referral-committee`
- **2021-03-05T00:17:19+00:00** S Received for Introduction `filing`
- **2021-03-04T19:03:09+00:00** H 3rd Reading:Passed 47-11-2-0-0 `passage, reading-3`
- **2021-03-03T17:26:49+00:00** H 2nd Reading:Passed `reading-2`
- **2021-03-03T00:37:08+00:00** H COW:Passed
- **2021-03-01T17:59:48+00:00** H Placed on General File
- **2021-03-01T17:59:31+00:00** H07 - Corporations:Recommend Amend and Do Pass 8-1-0-0-0 `committee-passage-favorable`
- **2021-02-05T18:07:27+00:00** H Introduced and Referred to H07 - Corporations `introduction, referral-committee`
- **2021-01-12T17:57:28+00:00** H Received for Introduction `filing`
- **2021-01-04T22:23:57+00:00** Bill Number Assigned

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/54a28171-8010-4b22-bc36-941481530692`. Confidence: reported (aggregated from official Wyoming legislature records).