---
type: "Bill"
title: "Antifreeze and petroleum product enforcement."
description: "2019/Summaries/HB0009.pdf"
jurisdiction: "us/states/wy"
legislature: "Wyoming Legislature"
session: "2019"
identifier: "HB 9"
citation: "Wyoming HB 9 (2019)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Larsen"]
version_count: 2
action_count: 20
vote_count: 4
first_action: "2018-12-13T16:40:24+00:00"
last_action: "2019-02-26T21:44:28+00:00"
source: "openstates"
source_identifier: "ocd-bill/c4b1f929-5384-4a84-b6ec-736fa2d56e51"
source_url: "http://lso.wyoleg.gov/Legislation/2019/HB0009"
source_hash: "a05e7acdc0e2f9f2deb0785fe92b2c08d80cd19ade9811a4ac6575d4ae460aba"
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 9 (2019) — Antifreeze and petroleum product enforcement.

2019/Summaries/HB0009.pdf

## Version chain

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

1. **Introduced** (filed) — [source](http://wyoleg.gov/2019/Introduced/HB0009.pdf)
2. **Enrolled** (enrolled) — [source](http://wyoleg.gov/2019/Enroll/HB0009.pdf)

## Votes

- S 3rd Reading:Passed 30-0-0-0-0 — **30–0** (pass) · upper
- H09 - Minerals:Recommend Do Pass 9-0-0-0-0 — **9–0** (pass) · lower
- S08 - Transportation:Recommend Do Pass 5-0-0-0-0 — **5–0** (pass) · upper
- H 3rd Reading:Passed 56-0-4-0-0 — **56–0** (pass) · lower

## Sponsors

- Larsen — primary (person)
- Von Flatern — cosponsor (person)

## Timeline

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

- **2019-02-26T21:44:28+00:00** Assigned Chapter Number 117
- **2019-02-26T19:19:25+00:00** Governor Signed HEA No. 0074 `executive-signature`
- **2019-02-22T22:03:12+00:00** S President Signed HEA No. 0074
- **2019-02-22T17:13:09+00:00** H Speaker Signed HEA No. 0074
- **2019-02-21T23:07:32+00:00** Assigned Number HEA No. 0074
- **2019-02-21T16:44:14+00:00** S 3rd Reading:Passed 30-0-0-0-0 `reading-3, passage`
- **2019-02-20T17:27:18+00:00** S 2nd Reading:Passed `reading-2`
- **2019-02-19T22:15:20+00:00** S COW:Passed
- **2019-02-14T17:39:32+00:00** S Placed on General File
- **2019-02-14T17:39:21+00:00** S08 - Transportation:Recommend Do Pass 5-0-0-0-0 `committee-passage-favorable`
- **2019-02-07T17:58:37+00:00** S Introduced and Referred to S08 - Transportation `introduction, referral-committee`
- **2019-01-22T19:12:13+00:00** S Received for Introduction `filing`
- **2019-01-22T18:20:22+00:00** H 3rd Reading:Passed 56-0-4-0-0 `reading-3, passage`
- **2019-01-18T18:17:36+00:00** H 2nd Reading:Passed `reading-2`
- **2019-01-17T23:41:18+00:00** H COW:Passed
- **2019-01-17T00:37:16+00:00** H Placed on General File
- **2019-01-17T00:37:08+00:00** H09 - Minerals:Recommend Do Pass 9-0-0-0-0 `committee-passage-favorable`
- **2019-01-09T22:29:26+00:00** H Introduced and Referred to H09 - Minerals `introduction, referral-committee`
- **2019-01-08T15:49:20+00:00** H Received for Introduction `filing`
- **2018-12-13T16:40:24+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/c4b1f929-5384-4a84-b6ec-736fa2d56e51`. Confidence: reported (aggregated from official Wyoming legislature records).