Assembly Bill 637
Removing a catalytic converter without consent and providing a penalty
Became law
The governor signed it on Mar 21, 2024. It's .
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Introduced, passed
Nov 8, 2023
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Committee, passed
Approved
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Assembly vote, passed
Passed Jan 18, 2024
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Senate vote, passed
Passed Feb 13, 2024
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Governor, passed
Signed
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Law, here now
2023 Wisconsin Act 166
Latest entry in the official record, Mar 21, 2024: “Published 3-22-2024”
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Terms on this page
Wisconsin Act
The number a bill gets when it becomes law, like 2025 Wisconsin Act 12.
Official term: Act. More in the glossary
Legislative Reference Bureau
The Legislature's nonpartisan office that drafts bills and writes the summary at the top of each one.
Official term: LRB analysis. More in the glossary
Author
A lawmaker who formally puts a bill forward. The text itself is drafted by the Legislative Reference Bureau.
Official term: Author, coauthor. More in the glossary
Signed on in support
Lawmakers who back a bill without being one of its authors, often from the other chamber.
Official term: Cosponsor. More in the glossary
Roll call
A vote where each lawmaker's yes or no is recorded by name.
Official term: Roll call vote. More in the glossary
What it does
Summary by the , the Legislature's nonpartisan drafting office. It's their wording, not ours.
This bill makes it a Class I felony to remove the catalytic converter from a vehicle without the owner's consent. A Class I felony is punishable by a fine of up to $10,000 or imprisonment for up to three years and six months, or both.
Under current law, it is a Class I felony to remove a major part of a vehicle without the consent of the owner. All of the following are considered a major part of a vehicle: the engine, transmission, doors, hood, grille, bumper, front fenders, deck lid, tailgate or hatchback, rear quarter panels, trunk floor pan, frame or supporting structure which serves as the frame, or any other part of the vehicle which has a value exceeding $500. This bill adds catalytic converters to the list of parts that are a major part of the vehicle.
Who's behind it
18 representatives are its . 16 are Republicans and 2 are Democrats.
11 more lawmakers .
See all 29 names Hide the names
Authors (18)
- Scott Allen · Republican, Assembly
- Elijah Behnke · Republican, Assembly
- Barbara Dittrich · Republican, Assembly
- Bob Donovan · Republican, Assembly
- Cindi Duchow · Republican, Assembly
- Joy Goeben · Republican, Assembly
- Jenna Jacobson · Democrat, Assembly
- Dave Maxey · Republican, Assembly
- Paul Melotik · Republican, Assembly
- Dave Murphy · Republican, Assembly
- Jeff Mursau · Republican, Assembly
- Amanda Nedweski · Republican, Assembly
- Jerry O'Connor · Republican, Assembly
- Lori Palmeri · Democrat, Assembly
- Will Penterman · Republican, Assembly
- Nik Rettinger · Republican, Assembly
- Angie Sapik · Republican, Assembly
- Shae Sortwell · Republican, Assembly
Signed on in support (11)
- Joan Ballweg · Republican, Senate
- Tim Carpenter · Democrat, Senate
- Rob Cowles · Republican, Senate
- Dan Knodl · Republican, Assembly
- John Macco · Republican, Assembly
- Howard Marklein · Republican, Senate
- Steve Nass · Republican, Senate
- Kelda Roys · Democrat, Senate
- Katrina Shankland · Democrat, Assembly
- David Steffen · Republican, Assembly
- Shelia Stubbs · Democrat, Assembly
How lawmakers voted
There were 2 votes on this bill.
Assembly Committee on Criminal Justice and Public Safety vote to recommend it
Passed, 13 to 0 · Jan 16, 2024
No member-by-member record exists for this vote. Committee votes and some older sessions record totals only.
Official motion: “Report passage recommended by Committee on Criminal Justice and Public Safety, Ayes 13, Noes 0”. Official record · This vote on its own page
Senate Committee on Judiciary and Public Safety vote to recommend it
Passed, 7 to 0 · Feb 8, 2024
No member-by-member record exists for this vote. Committee votes and some older sessions record totals only.
Official motion: “Report concurrence recommended by Committee on Judiciary and Public Safety, Ayes 7, Noes 0”. Official record · This vote on its own page
What happened
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Mar 21, 2024
The new law was published.
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Mar 21, 2024
The governor signed it. It became 2023 Wisconsin Act 166.
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Mar 18, 2024
Sent to the governor.
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Feb 13, 2024
The Senate passed it too.
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Feb 8, 2024
The committee voted to recommend passing it, 7 to 0.
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Feb 6, 2024
1 more senator signed on in support.
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Jan 30, 2024
The committee held a public hearing.
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Jan 19, 2024
Sent to the Senate Committee on Judiciary and Public Safety.
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Jan 18, 2024
1 more representative signed on in support.
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Jan 18, 2024
The Senate received it.
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Jan 18, 2024
The Assembly passed it.
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Jan 17, 2024
1 more representative signed on in support.
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Jan 16, 2024
Sent to the Assembly Committee on Rules.
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Jan 16, 2024
The committee voted to recommend passing it, 13 to 0.
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Nov 30, 2023 to Jan 9, 2024
2 more representatives signed on in support.
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Nov 30, 2023
The committee held a public hearing.
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Nov 8, 2023
Sent to the Assembly Committee on Criminal Justice and Public Safety.
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Nov 8, 2023
Introduced in the Assembly.
See the official record, word for word Hide the official record
- Nov 8, 2023 · Assembly
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
- Nov 8, 2023 · Assembly
Read first time and referred to Committee on Criminal Justice and Public Safety
- Nov 30, 2023 · Assembly
Public hearing held
- Nov 30, 2023 · Assembly
Representative Steffen added as a coauthor
- Jan 9, 2024 · Assembly
Representative Stubbs added as a coauthor
- Jan 11, 2024 · Assembly
Executive action taken
- Jan 16, 2024 · Assembly
Report passage recommended by Committee on Criminal Justice and Public Safety, Ayes 13, Noes 0
- Jan 16, 2024 · Assembly
Referred to committee on Rules
- Jan 16, 2024 · Assembly
Placed on calendar 1-18-2024 by Committee on Rules
- Jan 17, 2024 · Assembly
Representative Macco added as a coauthor
- Jan 18, 2024 · Assembly
Read a second time
- Jan 18, 2024 · Assembly
Ordered to a third reading
- Jan 18, 2024 · Assembly
Rules suspended
- Jan 18, 2024 · Assembly
Read a third time and passed
- Jan 18, 2024 · Assembly
Ordered immediately messaged
- Jan 18, 2024 · Senate
Received from Assembly
- Jan 18, 2024 · Senate
Representative Shankland added as a coauthor
- Jan 19, 2024 · Senate
Read first time and referred to committee on Judiciary and Public Safety
- Jan 30, 2024 · Senate
Public hearing held
- Feb 6, 2024 · Senate
Senator Cowles added as a cosponsor
- Feb 8, 2024 · Senate
Executive action taken
- Feb 8, 2024 · Senate
Report concurrence recommended by Committee on Judiciary and Public Safety, Ayes 7, Noes 0
- Feb 8, 2024 · Senate
Available for scheduling
- Feb 9, 2024 · Senate
Placed on calendar 2-13-2024 pursuant to Senate Rule 18(1)
- Feb 13, 2024 · Senate
Read a second time
- Feb 13, 2024 · Senate
Ordered to a third reading
- Feb 13, 2024 · Senate
Rules suspended to give bill its third reading
- Feb 13, 2024 · Senate
Read a third time and concurred in
- Feb 13, 2024 · Senate
Ordered immediately messaged
- Feb 13, 2024 · Assembly
Received from Senate concurred in
- Feb 15, 2024 · Assembly
Report correctly enrolled on 2-15-2024
- Mar 18, 2024 · Assembly
Presented to the Governor on 3-18-2024
- Mar 21, 2024 · Assembly
Report approved by the Governor on 3-21-2024. 2023 Wisconsin Act 166
- Mar 21, 2024 · Assembly
Published 3-22-2024
Terms on this page
Wisconsin Act
The number a bill gets when it becomes law, like 2025 Wisconsin Act 12.
Official term: Act. More in the glossary
Legislative Reference Bureau
The Legislature's nonpartisan office that drafts bills and writes the summary at the top of each one.
Official term: LRB analysis. More in the glossary
Author
A lawmaker who formally puts a bill forward. The text itself is drafted by the Legislative Reference Bureau.
Official term: Author, coauthor. More in the glossary
Signed on in support
Lawmakers who back a bill without being one of its authors, often from the other chamber.
Official term: Cosponsor. More in the glossary
Roll call
A vote where each lawmaker's yes or no is recorded by name.
Official term: Roll call vote. More in the glossary
From the Wisconsin Legislature's official record, checked Sep 15, 2026. See the source
Wisconsin Act
The number a bill gets when it becomes law, like 2025 Wisconsin Act 12.
Official term: Act
Legislative Reference Bureau
The Legislature's nonpartisan office that drafts bills and writes the summary at the top of each one.
Official term: LRB analysis
Signed on in support
Lawmakers who back a bill without being one of its authors, often from the other chamber.
Official term: Cosponsor
Roll call
A vote where each lawmaker's yes or no is recorded by name.
Official term: Roll call vote