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IntroducedJan 16, 2026
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Passed Senate
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Passed Assembly
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Became Law
Wisconsin Senate Bill
Relating to: adopting changes to the federal Internal Revenue Code for state tax purposes and modifying administrative rules related to such changes. (FE)
Last Action See all actions
Senate • Feb 04, 2026: Report of Joint Survey Committee on Tax Exemptions requested
Latest Bill Text See all bill texts
Feb 09, 2026 02:30pm
115 West
Summary
Comments on SB 859
Tweets
Whip Lists
Sponsors
Votes
Actions
- Feb 04, 2026 | Senate
- Report of Joint Survey Committee on Tax Exemptions requested
- Feb 03, 2026 | Senate
- Executive action taken
- Report passage recommended by Committee on Agriculture and Revenue, Ayes 8, Noes 0
- Available for scheduling
- Withdrawn from committee on Senate Organization and rereferred to joint committee on Finance pursuant to Senate Rule 46(2)(c)
- Executive action taken
- Report passage recommended by Joint Committee on Finance, Ayes 15, Noes 0
- Available for scheduling
- Jan 28, 2026 | Senate
- Fiscal estimate received
- Public hearing held
- Jan 16, 2026 | Senate
- Introduced by Senator Marklein; cosponsored by Representative Wittke
- Read first time and referred to Committee on Agriculture and Revenue
Bill Texts
Documents
- SB859: Fiscal Estimate From DOR
- SB859 ROCP for Joint Committee on Finance On 2/3/2026
- SB859 ROCP for Joint Committee on Finance On 2/3/2026
- SB859 ROCP for Committee on Agriculture and Revenue On 2/3/2026
- SB859 ROCP for Committee on Agriculture and Revenue On 2/3/2026
- LC Hearing Materials for SB859 on 1/28/2026
- Wisconsin Ethics Commission information
- 2025 Assembly Bill 870

