---
type: "Bill"
title: "Relating to: removing a catalytic converter without consent and providing a penalty."
description: "Relating to: removing a catalytic converter without consent and providing a penalty."
jurisdiction: "us/states/wi"
legislature: "Wisconsin Legislature"
session: "2023"
identifier: "AB 637"
citation: "Wisconsin AB 637 (2023)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Allen", "Behnke", "Dittrich", "Donovan", "Duchow", "Goeben", "Jacobson", "Maxey", "Melotik", "Murphy", "Mursau", "Nedweski", "O'Connor", "Palmeri", "Penterman", "Rettinger", "Sapik", "Sortwell"]
version_count: 1
action_count: 34
vote_count: 2
first_action: "2023-11-08T06:00:00+00:00"
last_action: "2024-03-21T05:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/fdae7d38-6bf9-462d-8c63-872cd7967100"
source_url: "https://docs.legis.wisconsin.gov/2023/proposals/reg/asm/bill/ab637"
source_hash: "e0e10f995d810141d0da9941fbad4773153f237208d5d9c9725187c59ba2c01e"
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-wi"]
---

# Wisconsin AB 637 (2023) — Relating to: removing a catalytic converter without consent and providing a penalty.

## Version chain

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

1. **Bill Text** (committee substitute) — [source](https://docs.legis.wisconsin.gov/document/proposaltext/2023/REG/AB637)

## Votes

- Report concurrence recommended by Committee on Judiciary and Public Safety, Ayes 7, Noes 0 — **7–0** (pass) · upper
- Report passage recommended by Committee on Criminal Justice and Public Safety, Ayes 13, Noes 0 — **13–0** (pass) · lower

## Sponsors

- Allen — primary (person)
- Behnke — primary (person)
- Dittrich — primary (person)
- Donovan — primary (person)
- Duchow — primary (person)
- Goeben — primary (person)
- Jacobson — primary (person)
- Maxey — primary (person)
- Melotik — primary (person)
- Murphy — primary (person)
- Mursau — primary (person)
- Nedweski — primary (person)
- O'Connor — primary (person)
- Palmeri — primary (person)
- Penterman — primary (person)
- Rettinger — primary (person)
- Sapik — primary (person)
- Sortwell — primary (person)

## Timeline

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

- **2023-11-08T06:00:00+00:00** Introduced by Representatives Rettinger, Donovan, Allen, Behnke, Dittrich, Duchow, Goeben, Maxey, Melotik, Murphy, Mursau, Nedweski, O'Connor, Palmeri, Penterman, Sapik, Sortwell and Jacobson; cosponsored by Senators Knodl, Ballweg, Carpenter, Marklein, Nass and Roys `introduction`
- **2023-11-08T06:00:00+00:00** Read first time and referred to Committee on Criminal Justice and Public Safety `reading-1, referral-committee`
- **2023-11-30T06:00:00+00:00** Public hearing held
- **2023-11-30T06:00:00+00:00** Representative Steffen added as a coauthor
- **2024-01-09T06:00:00+00:00** Representative Stubbs added as a coauthor
- **2024-01-11T06:00:00+00:00** Executive action taken
- **2024-01-16T06:00:00+00:00** Report passage recommended by Committee on Criminal Justice and Public Safety, Ayes 13, Noes 0 `committee-passage-favorable`
- **2024-01-16T06:00:00+00:00** Referred to committee on Rules `referral-committee`
- **2024-01-16T06:00:00+00:00** Placed on calendar 1-18-2024 by Committee on Rules
- **2024-01-17T06:00:00+00:00** Representative Macco added as a coauthor
- **2024-01-18T06:00:00+00:00** Read a second time `reading-2`
- **2024-01-18T06:00:00+00:00** Ordered to a third reading `reading-3`
- **2024-01-18T06:00:00+00:00** Rules suspended
- **2024-01-18T06:00:00+00:00** Read a third time and passed `passage, reading-3`
- **2024-01-18T06:00:00+00:00** Ordered immediately messaged
- **2024-01-18T06:00:00+00:00** Received from Assembly `receipt`
- **2024-01-18T06:00:00+00:00** Representative Shankland added as a coauthor
- **2024-01-19T06:00:00+00:00** Read first time and referred to committee on Judiciary and Public Safety `referral-committee`
- **2024-01-30T06:00:00+00:00** Public hearing held
- **2024-02-06T06:00:00+00:00** Senator Cowles added as a cosponsor
- **2024-02-08T06:00:00+00:00** Executive action taken
- **2024-02-08T06:00:00+00:00** Report concurrence recommended by Committee on Judiciary and Public Safety, Ayes 7, Noes 0 `committee-passage-favorable`
- **2024-02-08T06:00:00+00:00** Available for scheduling
- **2024-02-09T06:00:00+00:00** Placed on calendar 2-13-2024 pursuant to Senate Rule 18(1)
- **2024-02-13T06:00:00+00:00** Read a second time `reading-2`
- **2024-02-13T06:00:00+00:00** Ordered to a third reading `reading-3`
- **2024-02-13T06:00:00+00:00** Rules suspended to give bill its third reading
- **2024-02-13T06:00:00+00:00** Read a third time and concurred in `passage, reading-3`
- **2024-02-13T06:00:00+00:00** Ordered immediately messaged
- **2024-02-13T06:00:00+00:00** Received from Senate concurred in `receipt`
- **2024-02-15T06:00:00+00:00** Report correctly enrolled on 2-15-2024 `enrolled`
- **2024-03-18T05:00:00+00:00** Presented to the Governor on 3-18-2024 `executive-receipt`
- **2024-03-21T05:00:00+00:00** Report approved by the Governor on 3-21-2024. 2023 Wisconsin Act 166 `executive-signature`
- **2024-03-21T05:00:00+00:00** Published 3-22-2024 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/fdae7d38-6bf9-462d-8c63-872cd7967100`. Confidence: reported (aggregated from official Wisconsin legislature records).