---
type: "Bill"
title: "Pollution control property tax exemption-applicability."
description: "2025/Summaries/SF0061.pdf"
jurisdiction: "us/states/wy"
legislature: "Wyoming Legislature"
session: "2025"
identifier: "SF 61"
citation: "Wyoming SF 61 (2025)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Case"]
version_count: 3
action_count: 20
vote_count: 4
first_action: "2024-12-20T21:37:20+00:00"
last_action: "2025-02-27T19:31:30+00:00"
source: "openstates"
source_identifier: "ocd-bill/3f8d3606-e574-4de4-8f6a-0ae0c7d42d0f"
source_url: "https://wyoleg.gov/Legislation/2025/SF0061"
source_hash: "d18d3aea412948e34345521bf61ad16e4800a18613d90c121101c5b46535c867"
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 SF 61 (2025) — Pollution control property tax exemption-applicability.

2025/Summaries/SF0061.pdf

## Version chain

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

1. **Introduced** (filed) — [source](https://wyoleg.gov/2025/Introduced/SF0061.pdf)
2. **Amendment SF0061SS001 (Standing Committee) - Senate Revenue Committee (Adopted)** (committee substitute) — [source](https://wyoleg.gov/2025/Amends/SF0061SS001.pdf)
3. **Enrolled** (enrolled) — [source](https://wyoleg.gov/2025/Enroll/SF0061.pdf)

## Votes

- S03 - Revenue:Recommend Amend and Do Pass 5-0-0-0-0 — **5–0** (pass) · upper
- S 3rd Reading:Passed 30-0-1-0-0 — **30–0** (pass) · upper
- H03 - Revenue:Recommend Do Pass 5-3-1-0-0 — **5–3** (pass) · lower
- H 3rd Reading:Passed 57-3-2-0-0 — **57–3** (pass) · lower

## Sponsors

- Case — primary (person)
- Anderson — cosponsor (person)
- Dockstader — cosponsor (person)
- Harshman — cosponsor (person)
- Larsen, L — cosponsor (person)
- Ottman — cosponsor (person)
- Wylie — cosponsor (person)

## Timeline

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

- **2025-02-27T19:31:30+00:00** Assigned Chapter Number 55 `became-law`
- **2025-02-27T19:30:48+00:00** Governor Signed SEA No. 0025 `executive-signature`
- **2025-02-25T00:26:11+00:00** H Speaker Signed SEA No. 0025
- **2025-02-24T21:14:48+00:00** S President Signed SEA No. 0025
- **2025-02-24T20:14:59+00:00** Assigned Number SEA No. 0025
- **2025-02-24T18:44:58+00:00** H 3rd Reading:Passed 57-3-2-0-0 `passage, reading-3`
- **2025-02-21T17:34:29+00:00** H 2nd Reading:Passed `reading-2`
- **2025-02-21T00:07:46+00:00** H COW:Passed `committee-passage-favorable`
- **2025-02-19T00:11:00+00:00** H Placed on General File
- **2025-02-19T00:10:51+00:00** H03 - Revenue:Recommend Do Pass 5-3-1-0-0 `committee-passage-favorable`
- **2025-02-14T18:07:07+00:00** H Introduced and Referred to H03 - Revenue `introduction, referral-committee`
- **2025-02-13T15:21:33+00:00** H Received for Introduction `filing`
- **2025-02-12T17:22:14+00:00** S 3rd Reading:Passed 30-0-1-0-0 `passage, reading-3`
- **2025-02-11T17:23:27+00:00** S 2nd Reading:Passed `reading-2`
- **2025-02-11T01:52:44+00:00** S COW:Passed `committee-passage-favorable`
- **2025-02-08T00:28:04+00:00** S Placed on General File
- **2025-02-08T00:27:57+00:00** S03 - Revenue:Recommend Amend and Do Pass 5-0-0-0-0 `committee-passage-favorable`
- **2025-01-21T17:10:55+00:00** S Introduced and Referred to S03 - Revenue `introduction, referral-committee`
- **2025-01-02T19:03:51+00:00** S Received for Introduction `filing`
- **2024-12-20T21:37:20+00:00** Bill Number Assigned `reading-1`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/3f8d3606-e574-4de4-8f6a-0ae0c7d42d0f`. Confidence: reported (aggregated from official Wyoming legislature records).