summary
Introduced
10/02/2025
10/02/2025
In Committee
10/02/2025
10/02/2025
Crossed Over
Passed
Dead
03/23/2026
03/23/2026
Introduced Session
2025-2026 Regular Session
Bill Summary
Under current law, tetrahydrocannabinol (THC) is a controlled substance, the possession, manufacture, delivery, and distribution of which are criminal offenses under the state[s Controlled Substances Act. Current law exempts hemp from the definition of THC. XHempY is defined under current law as Xthe plant Cannabis sativa L. and any part of that plant, including the seeds thereof and all derivatives, extracts, cannabinoids, isomers, acids, salts, and salts of isomers, whether growing or not, with a delta-9-tetrahydrocannabinol concentration of not more than 0.3 percent on a dry weight basis or the maximum concentration allowed under federal law up to 1 percent, whichever is greater, as tested using post-decarboxylation or other similarly reliable methods.Y The current law definition of XhempY clarifies LRB-4832/1 MCP:ads&klm 2025 - 2026 Legislature SENATE BILL 499 that it does not include a prescription drug product that has been approved by the U.S. food and drug administration. This bill changes the definition of hemp and, as a result, what is exempted from the definition of THC under the state[s Controlled Substances Act. The bill defines XhempY as Xthe plant Cannabis sativa L. and any part of that plant, including the seeds thereof and all derivatives, extracts, cannabinoids, isomers, acids, salts, and salts of isomers, whether growing or not, with a total tetrahydrocannabinol concentration, including tetrahydrocannabinolic acid, of not more than 0.3 percent in the plant on a dry weight basis.Y The bill, like current law, also clarifies that XhempY does not include a prescription drug product that has been approved by the U.S. food and drug administration. The bill also provides that the definition of XhempY includes industrial hemp and defines Xindustrial hempY as hemp grown for the use of the stalk; hemp grown for the use of the whole grain, oil, cake, nut, hull, or any other product from the seeds of the plant; hemp grown for purposes of producing microgreens or other edible hemp leaf products derived from an immature, low-THC plant; hemp plants that do not enter the stream of commerce and that are intended to support hemp research at an institution of higher education or independent research institute; and hemp that is grown for the use of a viable seed that is produced solely to produce any of the previously mentioned products or uses. The bill provides that the definition of XhempY does not include a viable cannabis seed that has a total THC concentration, including tetrahydrocannabinolic acid, of more than 0.3 percent in the plant on a dry weight basis. In addition, under the bill, the definition of XhempY does not include a hemp- derived cannabinoid product that contains a cannabinoid that is not capable of being naturally produced by a cannabis plant; a cannabinoid that is capable of being naturally produced by a cannabis plant but that is synthesized or manufactured outside of the plant; or a quantifiable amount of THC or other cannabinoid that has similar effects or is marketed to have similar effects on humans or animals as THC. The bill defines Xhemp-derived cannabinoid productY as Xan intermediate or final product that is derived from hemp other than industrial hemp, that contains cannabinoids in any form, and that is intended for human or animal use through any means of application or administration, including inhalation, ingestion, or topical application.Y The bill clarifies that Xhemp-derived cannabinoid productY does not include a prescription drug product that has been approved by the U.S. food and drug administration. For further information see the state and local fiscal estimate, which will be printed as an appendix to this bill.
AI Summary
This bill modifies the legal definition of hemp in Wisconsin, expanding and clarifying existing regulations. The bill redefines hemp as Cannabis sativa L. with a total tetrahydrocannabinol (THC) concentration of not more than 0.3 percent, including tetrahydrocannabinolic acid, and introduces several new categories and restrictions. It specifically defines industrial hemp to include hemp grown for various purposes such as stalk use, seed production, research, and microgreen cultivation. The bill excludes certain hemp-derived products from the definition, particularly those containing synthetically manufactured cannabinoids or products with quantifiable amounts of THC that have similar effects to naturally occurring THC. Additionally, the bill creates a new definition for "hemp-derived cannabinoid product" as an intermediate or final product containing cannabinoids intended for human or animal use, while explicitly excluding FDA-approved prescription drugs. The changes aim to provide more precise regulatory guidance for hemp cultivation, processing, and commercial use, addressing potential loopholes in existing legislation and ensuring stricter control over THC concentration and cannabinoid product development.
Committee Categories
Budget and Finance
Sponsors (14)
André Jacque (R)*,
Chris Kapenga (R)*,
Steve Nass (R)*,
Van Wanggaard (R)*,
Elijah Behnke (R),
Lindee Brill (R),
Barbara Dittrich (R),
Robert Donovan (R),
Rick Gundrum (R),
Dave Maxey (R),
Dave Murphy (R),
Jerry O'Connor (R),
Jim Piwowarczyk (R),
Chuck Wichgers (R),
Last Action
Failed to pass pursuant to Senate Joint Resolution 1 (on 03/23/2026)
Official Document
bill text
bill summary
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bill summary
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bill summary
| Document Type | Source Location |
|---|---|
| State Bill Page | https://docs.legis.wisconsin.gov/2025/proposals/reg/sen/bill/sb499 |
| Fiscal Note - SB499: Fiscal Estimate From DSPS | https://docs.legis.wisconsin.gov/2025/related/fe/sb499/sb499_dsps.pdf |
| Fiscal Note - SB499: Fiscal Estimate From DATCP | https://docs.legis.wisconsin.gov/2025/related/fe/sb499/sb499_datcp.pdf |
| Fiscal Note - SB499: Fiscal Estimate From DA | https://docs.legis.wisconsin.gov/2025/related/fe/sb499/sb499_da.pdf |
| Fiscal Note - SB499: Fiscal Estimate From DOC | https://docs.legis.wisconsin.gov/2025/related/fe/sb499/sb499_doc.pdf |
| BillText | https://docs.legis.wisconsin.gov/document/proposaltext/2025/REG/SB499.pdf |
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