---
type: "Bill"
title: "Coal severance tax exemption-Canadian and Mexican ports."
description: "2020/Summaries/HB0231.pdf"
jurisdiction: "us/states/wy"
legislature: "Wyoming Legislature"
session: "2020"
identifier: "HB 231"
citation: "Wyoming HB 231 (2020)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Nicholas"]
version_count: 4
action_count: 23
vote_count: 6
first_action: "2020-02-12T17:50:09+00:00"
last_action: "2020-03-24T21:59:19+00:00"
source: "openstates"
source_identifier: "ocd-bill/7e4df8e6-f947-4721-8dcb-aed03e2e1b78"
source_url: "http://lso.wyoleg.gov/Legislation/2020/HB0231"
source_hash: "a3c8b48cd14eb5f1ad2ec197179ca621c76572c6a691e7c757d79ba714d41817"
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 231 (2020) — Coal severance tax exemption-Canadian and Mexican ports.

2020/Summaries/HB0231.pdf

## Version chain

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

1. **Introduced** (filed) — [source](http://wyoleg.gov/2020/Introduced/HB0231.pdf)
2. **Amendment HB0231H3001 (3rd reading) - Representative Harshman (Withdrawn)** (committee substitute) — [source](http://wyoleg.gov/2020/Amends/HB0231H3001.pdf)
3. **Amendment HB0231S2001 (2nd reading) - Senator Case (Adopted)** (committee substitute) — [source](http://wyoleg.gov/2020/Amends/HB0231S2001.pdf)
4. **Enrolled** (enrolled) — [source](http://wyoleg.gov/2020/Enroll/HB0231.pdf)

## Votes

- H Concur:Passed 49-9-2-0-0 — **49–9** (pass) · lower
- H03 - Revenue:Recommend Do Pass 5-3-1-0-0 — **5–3** (pass) · lower
- H 3rd Reading:Passed 51-8-1-0-0 — **51–8** (pass) · lower
- H Introduced and Referred to H03 - Revenue 51-6-3-0-0 — **51–6** (pass) · lower
- S 3rd Reading:Passed 20-9-1-0-0 — **20–9** (pass) · upper
- S03 - Revenue:Recommend Do Pass 3-2-0-0-0 — **3–2** (pass) · upper

## Sponsors

- Nicholas — primary (person)
- Larsen — cosponsor (person)

## Timeline

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

- **2020-03-24T21:59:19+00:00** Assigned Chapter Number 139
- **2020-03-24T21:59:10+00:00** Governor Signed HEA No. 0088 `executive-signature`
- **2020-03-12T23:58:49+00:00** S President Signed HEA No. 0088
- **2020-03-12T22:29:36+00:00** H Speaker Signed HEA No. 0088
- **2020-03-12T22:23:26+00:00** Assigned Number HEA No. 0088
- **2020-03-12T17:19:34+00:00** H Concur:Passed 49-9-2-0-0
- **2020-03-11T19:55:00+00:00** H Received for Concurrence
- **2020-03-11T18:00:09+00:00** S 3rd Reading:Passed 20-9-1-0-0 `reading-3, passage`
- **2020-03-10T17:18:33+00:00** S 2nd Reading:Passed `reading-2`
- **2020-03-09T23:00:19+00:00** S COW:Passed
- **2020-03-06T01:02:53+00:00** S Placed on General File
- **2020-03-06T01:02:40+00:00** S03 - Revenue:Recommend Do Pass 3-2-0-0-0 `committee-passage-favorable`
- **2020-03-02T18:17:32+00:00** S Introduced and Referred to S03 - Revenue `introduction, referral-committee`
- **2020-02-28T22:47:32+00:00** S Received for Introduction `filing`
- **2020-02-28T19:03:01+00:00** H 3rd Reading:Passed 51-8-1-0-0 `reading-3, passage`
- **2020-02-28T02:26:46+00:00** H 3rd Reading:Laid Back
- **2020-02-26T23:27:32+00:00** H 2nd Reading:Passed `reading-2`
- **2020-02-25T21:14:40+00:00** H COW:Passed
- **2020-02-24T18:14:05+00:00** H Placed on General File
- **2020-02-24T18:13:53+00:00** H03 - Revenue:Recommend Do Pass 5-3-1-0-0 `committee-passage-favorable`
- **2020-02-15T00:09:30+00:00** H Introduced and Referred to H03 - Revenue 51-6-3-0-0 `introduction, referral-committee`
- **2020-02-13T00:10:59+00:00** H Received for Introduction `filing`
- **2020-02-12T17:50:09+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/7e4df8e6-f947-4721-8dcb-aed03e2e1b78`. Confidence: reported (aggregated from official Wyoming legislature records).