An Act to renumber 961.16 (3) (cm) of the statutes; Relating to: listing of carfentanil under the Uniform Controlled Substances Act and providing a penalty.
Sponsored By: André Jacque (Republican), Steve Nass (Republican)
Became Law
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Bill Overview
Analyzed Economic Effects
2 provisions identified: 0 benefits, 1 costs, 1 mixed.
Harsher penalties for carfentanil crimes
The law sets weight-based felony penalties for making, selling, or delivering carfentanil. Ten grams or less is a Class E felony. More than 10 grams up to 50 grams is a Class D felony. More than 50 grams is a Class C felony. The same weight rules apply to possession with intent to make, sell, or deliver. When one of the law’s listed aggravating circumstances is present, the court can add 5 years to the maximum prison term. When counting the amount, courts include the drug plus any mixture or diluent.
Combined drug charges and later prosecutions
In controlled-substance cases, including carfentanil offenses, prosecutors can combine several violations into one charge if done under one plan. A verdict on that combined charge does not block later charges for other acts if no evidence about those acts was used at the first trial. This streamlines cases for prosecutors and can increase exposure for defendants.
Sponsors & Cosponsors
Sponsors
André Jacque
Republican • Senate
Steve Nass
Republican • Senate
Cosponsors
Lindee Brill
Republican • House
Barbara Dittrich
Republican • House
Rob Kreibich
Republican • House
Paul Melotik
Republican • House
David Murphy
Republican • House
Sylvia Ortiz-Velez
Democratic • House
Jim Piwowarczyk
Republican • House
Chuck Wichgers
Republican • House
Roll Call Votes
No roll call votes available for this bill.
Actions Timeline
Published 3-14-2026
3/13/2026SenateReport approved by the Governor on 3-13-2026. 2025 Wisconsin Act 100
3/13/2026SenatePresented to the Governor on 3-12-2026
3/12/2026SenateReport correctly enrolled
2/26/2026SenateReceived from Assembly concurred in
2/18/2026SenateOrdered immediately messaged
2/17/2026HouseRead a third time and concurred in
2/17/2026HouseRules suspended
2/17/2026HouseOrdered to a third reading
2/17/2026HouseRead a second time
2/17/2026HouseRules suspended to withdraw from calendar and take up
2/17/2026HouseRepresentative Ortiz-Velez added as a cosponsor
2/16/2026HouseWithdrawn from Committee on Rules and referred to calendar of 2-17-2026
2/13/2026HouseRead first time and referred to committee on Rules
2/13/2026HouseReceived from Senate
2/12/2026HouseOrdered immediately messaged
2/11/2026SenateRead a third time and passed
2/11/2026SenateRules suspended to give bill its third reading
2/11/2026SenateOrdered to a third reading
2/11/2026SenateSenate Substitute Amendment 1 adopted
2/11/2026SenateRead a second time
2/11/2026SenatePlaced on calendar 2-11-2026 pursuant to Senate Rule 18(1)
2/9/2026SenateAvailable for scheduling
2/3/2026SenateReport passage as amended recommended by Committee on Mental Health, Substance Abuse Prevention, Children and Families, Ayes 5, Noes 0
2/3/2026SenateReport adoption of Senate Substitute Amendment 1 recommended by Committee on Mental Health, Substance Abuse Prevention, Children and Families, Ayes 5, Noes 0
2/3/2026Senate
Bill Text
Senate Substitute Amendment 1
2/3/2026
Bill Text
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