Wisconsin 2025-2026 Regular Session

Wisconsin Senate Bill SB645

Introduced
11/14/25  
Refer
11/14/25  

Caption

An Act to renumber and amend 97.18 (5); to amend 97.18 (4); to create 97.18 (5) (b) of the statutes; Relating to: serving margarine as a substitute for butter in certain circumstances.

Impact

This bill directly impacts the statutory framework on food service regulation in Wisconsin, particularly as it relates to public, private, and tribal school settings. The amendments will clarify which situations legally allow for serving margarine instead of butter, potentially leading to changes in food service operations at schools and institutions. By expanding the prohibition against margarine to include protections for students, it emphasizes the health considerations involved in dietary choices for vulnerable populations.

Summary

Senate Bill 645, introduced in the 2025 legislature, seeks to amend existing regulations concerning the serving of margarine as a substitute for butter, particularly in state institutions and schools. The current law restricts the use of margarine in these settings, prohibiting its serving unless requested explicitly by consumers, students, or in certain cases dictated by health professionals. The changes proposed by SB645 would broaden the context of the law from 'table butter' to simply 'butter' while specifying scenarios under which margarine may be served as a substitute, such as when ordered by parents or guardians for students.

Conclusion

As SB645 proceeds through the legislative process, stakeholder feedback from school administrators, health professionals, and parents will be pivotal in shaping the final form of the bill. It remains to be seen how the balance between health standards and personal choice will be navigated in discussions surrounding school nutrition and the role of margarine in public food service.

Contention

Notable points of contention could arise regarding dietary freedom and the role of schools in food service. By enforcing stricter regulations, supporters of SB645 may argue that the bill ensures higher food quality and adherence to health standards. Opponents might raise concerns about the limitations imposed on food choices being overly restrictive and potentially disregarding personal preference or dietary needs outside of those explicitly stated by health providers. This could spark a debate on parental rights in dietary decisions for their children within educational institutions.

Companion Bills

WI AB664

Crossfiled An Act to renumber and amend 97.18 (5); to amend 97.18 (4); to create 97.18 (5) (b) of the statutes; Relating to: serving margarine as a substitute for butter in certain circumstances.

Previously Filed As

WI AB664

Serving margarine as a substitute for butter in certain circumstances.

WI HB2007

Senate Substitute for Substitute for HB 2007 by Committee on Ways and Means - Reconciling multiple amendments to certain statutes.

WI H5397

Controlled Substances

WI H3608

Family Court

WI H5366

Orders of Protection

WI AB100

An act to amend the Budget Act of 2023 (Chapters 12, 38, and 189 of the Statutes of 2023) by amending Items 5227-122-0001 and 7502-495 of Section 2.

WI H4510

Heirs property

WI H3841

Property tax

WI H5136

Fentanyl

WI H3064

Autopsy photographs

Similar Bills

WI AB664

Serving margarine as a substitute for butter in certain circumstances.

IA HF212

A bill for an act relating to meals, food, and beverages provided to students enrolled in school districts, charter schools, and innovation zone schools, and including applicability provisions.(Formerly HSB 5.)

IA HSB5

A bill for an act prohibiting school districts, charter schools, and innovation zone schools from serving meals to students that contain certain ingredients.(See HF 212.)

CA AB2706

Acidified foods and low-acid foods.

US HB98

End Endless Criminal Statutes Act

IL SB2459

SILURIFORMES FISH REGULATION

MS HB1365

mRNA vaccinations; prohibit use of in food products and livestock intended for human consumption.

MS HB811

mRNA vaccinations; prohibit use of in food products and livestock intended for human consumption.