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Bills from the 2025–26 session

Senate Bill 529

Repeal of obsolete tax credits and tax provisions. (FE)

Topics: Franchise: Taxation, Income tax: Credit, Sunset, Taxation

Became law

The governor signed it on Mar 27, 2026. It's ⁠.

  1. Introduced, passed

    Oct 9, 2025

  2. Committee, passed

    Approved

  3. Senate vote, passed

    Passed Nov 18, 2025

  4. Assembly vote, passed

    Passed 99 to 0

  5. Governor, passed

    Signed

  6. Law, here now

    2025 Wisconsin Act 118

Latest entry in the official record, Mar 27, 2026: “Published 3-28-2026”

Read the bill

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The same bill was also filed in the Assembly as AB 525. That version died when the session ended.

What it does

Summary by the , the Legislature's nonpartisan drafting office. It's their wording, not ours.

This bill repeals various tax credits that taxpayers may no longer earn because of sunset provisions related to each of those credits, repeals various obsolete tax provisions, and updates other tax provisions to reflect those changes. Current law allows taxpayers to carry forward certain unused nonrefundable tax credits to future years. Under the bill, the repeal of any nonrefundable tax credits is delayed until the date that those credits may no longer be used. The bill repeals, among others, the following tax credits and other obsolete tax provisions:

1. The armed forces member credit.

Read the full summary

2. The biodiesel fuel production credit.

3. The community development finance credit.

4. The dairy and livestock farm investment credit.

5. The development, development opportunity, development zone additional research, and enterprise development zones credits.

6. The electronic medical records credit.

7. The economic development tax credit.

8. The ethanol and biodiesel fuel pump credit.

9. The health insurance risk-sharing plan assessments credit.

10. The internet equipment credit.

11. The jobs tax credit and the corresponding appropriation.

12. The manufacturing investment credit.

13. The manufacturing sales tax credit.

14. The postsecondary education credit.

15. The research facilities credit.

16. The super research and development credit.

17. The technology zones credit.

18. The water consumption credit.

19. The veteran employment credit.

20. The credit for investment in certified capital companies.

21. Provisions related to computation of apportionment of business income for tax years prior to 2008.

22. Obsolete Internal Revenue Code definitions.

23. Income tax rates and brackets for tax years prior to 2025.

24. Income tax return donation checkoffs that are discontinued.

25. The alternative minimum tax.

Who's behind it

3 senators are its ⁠. All 3 are Republicans.

14 more lawmakers ⁠.

See all 17 names

Authors (3)

Signed on in support (14)

What it would cost

State agencies filed a . Each opens as a PDF from the Legislature.

Versions and amendments

Every text the Legislature printed for this bill, including proposed changes. Each opens on the Legislature's site.

How lawmakers voted

There were 4 votes on this bill.

Senate Committee on Agriculture and Revenue vote on an amendment

Passed, 8 to 0 · Nov 6, 2025

No member-by-member record exists for this vote. Committee votes and some older sessions record totals only.

Official motion: “Report adoption of Senate Amendment 1 recommended by Committee on Agriculture and Revenue, Ayes 8, Noes 0”. Official record · This vote on its own page

Senate Committee on Agriculture and Revenue vote to recommend it

Passed, 8 to 0 · Nov 6, 2025

No member-by-member record exists for this vote. Committee votes and some older sessions record totals only.

Official motion: “Report passage as amended recommended by Committee on Agriculture and Revenue, Ayes 8, Noes 0”. Official record · This vote on its own page

Senate vote to pass it

Passed, 33 to 0 · Nov 18, 2025

See how each of the 33 senators voted

D: Democrat, R: Republican

Official motion: “PASSAGE”. Official record · This vote on its own page

Assembly vote to pass it

Passed, 99 to 0 · Jan 13, 2026

See how each of the 99 representatives voted

D: Democrat, R: Republican

Yes (99)

Official motion: “CONCURRENCE”. Official record · This vote on its own page

What happened

  1. Mar 27, 2026

    The new law was published.

  2. Mar 27, 2026

    The governor signed it. It became 2025 Wisconsin Act 118.

  3. Mar 26, 2026

    Sent to the governor.

  4. Jan 13, 2026

    The Assembly passed it too, 99 to 0.

  5. Jan 7, 2026

    Sent to the Assembly Committee on Rules.

  6. Nov 19, 2025

    The Assembly received it.

  7. Nov 18, 2025

    The Senate passed it, 33 to 0.

  8. Nov 18, 2025

    “Withdrawn from joint committee on Finance and taken up” (the official wording)

  9. Nov 18, 2025

    Sent to the Joint Committee on Finance.

  10. Nov 18, 2025

    The Senate adopted it.

  11. Nov 6, 2025

    The committee voted to recommend passing it, 8 to 0.

  12. Nov 6, 2025

    “Report adoption of Senate Amendment 1 recommended by Committee on Agriculture and Revenue, Ayes 8, Noes 0” (the official wording)

  13. Nov 4, 2025

    The committee held a public hearing.

  14. Oct 28, 2025

    A state agency sent in its estimate of the cost.

  15. Oct 9, 2025

    Sent to the Senate Committee on Agriculture and Revenue.

  16. Oct 9, 2025

    Introduced in the Senate.

See the official record, word for word
  1. Oct 9, 2025 · Senate

    Introduced by Senators Marklein, Cabral-Guevara and Nass; cosponsored by Representatives Wittke, Brill, Brooks, Dittrich, Gundrum, Knodl, Kreibich, Melotik, Murphy, Neylon, O'Connor, Penterman, Piwowarczyk and Wichgers

  2. Oct 9, 2025 · Senate

    Read first time and referred to Committee on Agriculture and Revenue

  3. Oct 28, 2025 · Senate

    Fiscal estimate received

  4. Nov 4, 2025 · Senate

    Senate Amendment 1 offered by Senator Marklein

  5. Nov 4, 2025 · Senate

    Public hearing held

  6. Nov 6, 2025 · Senate

    Executive action taken

  7. Nov 6, 2025 · Senate

    Report adoption of Senate Amendment 1 recommended by Committee on Agriculture and Revenue, Ayes 8, Noes 0

  8. Nov 6, 2025 · Senate

    Report passage as amended recommended by Committee on Agriculture and Revenue, Ayes 8, Noes 0

  9. Nov 6, 2025 · Senate

    Available for scheduling

  10. Nov 14, 2025 · Senate

    Placed on calendar 11-18-2025 pursuant to Senate Rule 18(1)

  11. Nov 18, 2025 · Senate

    Read a second time

  12. Nov 18, 2025 · Senate

    Senate Amendment 1 adopted

  13. Nov 18, 2025 · Senate

    Referred to joint committee on Finance

  14. Nov 18, 2025 · Senate

    Withdrawn from joint committee on Finance and taken up

  15. Nov 18, 2025 · Senate

    Ordered to a third reading

  16. Nov 18, 2025 · Senate

    Rules suspended to give bill its third reading

  17. Nov 18, 2025 · Senate

    Read a third time and passed, Ayes 33, Noes 0

  18. Nov 18, 2025 · Senate

    Ordered immediately messaged

  19. Nov 19, 2025 · Assembly

    Received from Senate

  20. Jan 7, 2026 · Assembly

    Read first time and referred to committee on Rules

  21. Jan 8, 2026 · Assembly

    Placed on calendar 1-13-2026 by Committee on Rules

  22. Jan 13, 2026 · Assembly

    Rules suspended to withdraw from calendar and take up

  23. Jan 13, 2026 · Assembly

    Read a second time

  24. Jan 13, 2026 · Assembly

    Ordered to a third reading

  25. Jan 13, 2026 · Assembly

    Rules suspended

  26. Jan 13, 2026 · Assembly

    Read a third time and concurred in, Ayes 99, Noes 0

  27. Jan 13, 2026 · Assembly

    Ordered immediately messaged

  28. Jan 14, 2026 · Senate

    Received from Assembly concurred in

  29. Jan 16, 2026 · Senate

    LRB correction (Senate Amendment 1)

  30. Jan 16, 2026 · Senate

    LRB correction

  31. Jan 16, 2026 · Senate

    Report correctly enrolled

  32. Mar 26, 2026 · Senate

    Presented to the Governor on 3-26-2026

  33. Mar 27, 2026 · Senate

    Report approved by the Governor on 3-27-2026. 2025 Wisconsin Act 118

  34. Mar 27, 2026 · Senate

    Published 3-28-2026

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

Cost estimate

A state agency's estimate of what a bill would cost or save.

Official term: Fiscal estimate. 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

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

Cost estimate

A state agency's estimate of what a bill would cost or save.

Official term: Fiscal estimate

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