Bills by subject

Income tax

42 bills and resolutions. 9 became law and 16 never got a public hearing. They span 3 sessions, from the 2009–10 session to the 2025–26 session.

This is the Legislature's own subject heading, not our category, so a bill is here only if the Legislature filed it under this term. Each count comes from the bill's official history.

Latest activity

The 5 bills on this subject with the newest recorded action.

SB 45 State finances and appropriations, constituting the executive budget act of the 2025 legislature. (FE)
Became law. Last action May 13, 2026
AB 1209 Modifying the income and franchise tax rate structure for individuals and corporations, creating a school aid fund, supplemental school aid, school district revenue limits, and making an appropriation. (FE)
Stopped in committee. Last action Apr 16, 2026
AB 934 Eliminating the definition of relative for purposes of the lottery; the definition of taxable property in a tax incremental district; the order of certain withholdings and deposits in income tax computations; and eliminating an adjustment made to the economic development surcharge for certain businesses (suggested as remedial legislation by the Department of Revenue).
Became law. Last action Mar 27, 2026
AB 50 State finances and appropriations, constituting the executive budget act of the 2025 legislature. (FE)
Stopped before the full Assembly voted. Last action Mar 23, 2026
AB 870 Adopting changes to the federal Internal Revenue Code for state tax purposes and modifying administrative rules related to such changes. (FE)
Passed the Assembly, then stopped. Last action Mar 23, 2026

Every bill on this subject

2025–26 session: 8

Mar 23, 2026
AB 50: State finances and appropriations, constituting the executive budget act of the 2025 legislature. (FE)
Stopped before the full Assembly voted.
Mar 23, 2026
AB 870: Adopting changes to the federal Internal Revenue Code for state tax purposes and modifying administrative rules related to such changes. (FE)
Passed the Assembly, then stopped.
Mar 27, 2026
AB 934: Eliminating the definition of relative for purposes of the lottery; the definition of taxable property in a tax incremental district; the order of certain withholdings and deposits in income tax computations; and eliminating an adjustment made to the economic development surcharge for certain businesses (suggested as remedial legislation by the Department of Revenue).
Became law.
Mar 23, 2026
AB 1028: Authorizing counties and municipalities to impose local income taxes on high-income taxpayers and making an appropriation. (FE)
Stopped in committee.
Apr 16, 2026
AB 1209: Modifying the income and franchise tax rate structure for individuals and corporations, creating a school aid fund, supplemental school aid, school district revenue limits, and making an appropriation. (FE)
Stopped in committee.
May 13, 2026
SB 45: State finances and appropriations, constituting the executive budget act of the 2025 legislature. (FE)
Became law.
Mar 23, 2026
SB 859: Adopting changes to the federal Internal Revenue Code for state tax purposes and modifying administrative rules related to such changes. (FE)
Stopped before the full Senate voted.
Mar 23, 2026
SB 913: Eliminating the definition of relative for purposes of the lottery; the definition of taxable property in a tax incremental district; the order of certain withholdings and deposits in income tax computations; and eliminating an adjustment made to the economic development surcharge for certain businesses (suggested as remedial legislation by the Department of Revenue).
Stopped in committee.

2011–12 session: 13

Aug 2, 2012
AB 40: State finances and appropriations, constituting the executive budget act of the 2011 legislature.
Became law.
Mar 23, 2012
AB 128: The amount of the exemption from income tax withholding requirements for employees of a county fair association.
Stopped in committee.
Mar 23, 2012
AB 129: Creation of the Wisconsin Venture Capital Authority, creation of the badger jobs fund and the jobs now fund certification program, both of which are to be administered by the Wisconsin Venture Capital Authority, making an appropriation, and providing a penalty.
Stopped in committee.
Mar 30, 2012
AB 224: Authorizing school boards and libraries to transfer a gift or grant to certain charitable organizations.
Became law.
Mar 23, 2012
AB 225: Federalizing the treatment of capital losses.
Stopped in committee.
Mar 23, 2012
AB 343: Grants to technical college districts to reduce unemployment; creating a new individual income tax upper bracket; providing an exemption from emergency rule procedures; granting rule-making authority; and making appropriations.
Stopped in committee.
Mar 23, 2012
AB 637: Disregarding a taxpayer's election to include another in its combined group, disallowing certain carry-forward amounts for combined reporting purposes, repealing the income and franchise tax credit for qualified production activities income, repealing the changes made to the earned income tax credit in 2011 Wisconsin Act 32, restoring indexing provisions to the homestead tax credit, eliminating the individual income tax exclusion for long-term capital gains other than for farm assets, computing the estate tax based on 2002 federal law, and creating a new individual income tax upper bracket.
Stopped in committee.
Mar 23, 2012
AB 651: Clean technology grants and making an appropriation.
Stopped in committee.
Mar 23, 2012
SB 27: State finances and appropriations, constituting the executive budget act of the 2011 legislature.
Stopped before the full Senate voted.
Mar 23, 2012
SB 89: The amount of the exemption from income tax withholding requirements for employees of a county fair association.
Became law.

Show 3 more

Mar 23, 2012
SB 94: Creation of the Wisconsin Venture Capital Authority, creation of the badger jobs fund and the jobs now fund certification program, both of which are to be administered by the Wisconsin Venture Capital Authority, making an appropriation, and providing a penalty.
Stopped in committee.
Mar 23, 2012
SB 160: Federalizing the treatment of capital losses.
Stopped in committee.
Mar 23, 2012
SB 236: Grants to technical college districts to reduce unemployment; creating a new individual income tax upper bracket; providing an exemption from emergency rule procedures; granting rule-making authority; and making appropriations.
Stopped in committee.

2009–10 session: 21

May 26, 2010
AB 75: State finances and appropriations, constituting the executive budget act of the 2009 legislature.
Became law.
Apr 28, 2010
AB 205: Adopting changes to the Internal Revenue Code for state income tax purposes related to deductions for energy efficient commercial buildings.
Stopped before the full Assembly voted.
Apr 28, 2010
AB 268: Federalizing the treatment of capital losses.
Stopped in committee.
Apr 28, 2010
AB 361: The amount of the exemption from income tax withholding requirements for employees of a county fair association.
Stopped before the full Assembly voted.
Apr 28, 2010
AB 513: The amounts appropriated for tuition grants and for Wisconsin higher education grants for University of Wisconsin system students, technical college students, and tribal college students; grants to technical college districts to reduce unemployment; grants to businesses to make capital expenditures; increasing the total amount of angel investment credits; creating a new individual income tax upper bracket; providing an exemption from emergency rule procedures; granting rule-making authority; and making appropriations.
Stopped in committee.
Apr 28, 2010
AB 608: Adopting Internal Revenue Code provisions related to individual retirement accounts.
Stopped in committee.
Apr 28, 2010
AB 631: Adopting Internal Revenue Code provisions related to individual retirement accounts.
Stopped in committee.
Apr 28, 2010
AB 648: Adopting Internal Revenue Code provisions related to individual retirement accounts and adopting provisions of the Heroes Earnings Assistance and Relief Tax Act of 2008 for state income and franchise tax purposes.
Stopped before the full Assembly voted.
Apr 28, 2010
AB 783: Requiring the Department of Revenue to study income tax reciprocity with the state of Minnesota.
Stopped before the full Assembly voted.
Apr 28, 2010
AB 848: Disclosing income and franchise tax settlements and audits.
Stopped in committee.

Show 11 more

Apr 28, 2010
AB 853: Tax benefits for hiring new employees and granting rule-making authority.
Passed the Assembly, then stopped.
May 13, 2010
AB 929: Willful misclassification of an employee as a nonemployee by a person engaged in the painting or drywall finishing of buildings or other structures with intent to evade the laws related to income tax withholding, worker's compensation, unemployment insurance, or employment discrimination and providing a penalty.
Became law.
Apr 30, 2010
AB 936: Depreciation and expense deductions for property used in farming.
Stopped in committee.
Apr 28, 2010
SB 353: Federalizing the treatment of capital losses.
Stopped in committee.
Apr 28, 2010
SB 416: Adopting Internal Revenue Code provisions related to individual retirement accounts.
Stopped in committee.
Apr 28, 2010
SB 420: Adopting Internal Revenue Code provisions related to contributions to individual retirement accounts and retirement plans.
Stopped in committee.
Mar 19, 2010
SB 439: Adopting Internal Revenue Code provisions related to individual retirement accounts and adopting provisions of the Heroes Earnings Assistance and Relief Tax Act of 2008 for state income and franchise tax purposes.
Became law.
Apr 28, 2010
SB 539: Tax incentives for job creation.
Stopped before the full Senate voted.
May 17, 2010
SB 608: Requiring the Department of Revenue to study income tax reciprocity with the state of Minnesota.
Became law.
Apr 28, 2010
SB 621: Tax benefits for hiring new employees and granting rule-making authority.
Stopped before the full Senate voted.
Apr 28, 2010
SB 669: Willful misclassification of an employee as a nonemployee by a person engaged in the painting or drywall finishing of buildings or other structures with intent to evade the laws related to income tax withholding, worker's compensation, unemployment insurance, or employment discrimination and providing a penalty.
Stopped before the full Senate voted.

Dates are each bill's latest recorded action. Every subject