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WI AB870
WI AB870Adopting changes to the federal Internal Revenue Code for state tax purposes and modifying administrative rules related to such changes. (FE)
summary
Introduced
01/16/2026
01/16/2026
In Committee
02/06/2026
02/06/2026
Crossed Over
02/19/2026
02/19/2026
Passed
Dead
Introduced Session
Potential new amendment
2025-2026 Regular Session
Bill Summary
This bill adopts, for state income and franchise tax purposes, changes made to the federal Internal Revenue Code so that the state tax code, generally, conforms to the federal tax code. The bill also modifies rules promulgated by the Department of Revenue with regard to reporting non-wage payments, rents, and royalties, so that the rules also confirm with recent changes made to the federal Internal Revenue Code. Because this bill relates to an exemption from state or local taxes, it may be referred to the Joint Survey Committee on Tax Exemptions for a report to be printed as an appendix to the bill. For further information see the state fiscal estimate, which will be printed as an appendix to this bill.
AI Summary
This bill aims to align state tax laws with recent changes in the federal Internal Revenue Code, or IRC, which is the body of federal law governing U.S. income taxes. Specifically, it updates the state's definition of the IRC for tax purposes to reflect federal amendments made up to December 31, 2025, with some exceptions for specific federal provisions and delayed adoption dates for certain changes. The bill also modifies administrative rules concerning the reporting of non-wage payments, such as rents and royalties, to ensure consistency with these federal updates, including changing the reporting threshold for such payments to match the federal amount specified in section 6041(a) of the IRC. This conformity is intended to simplify tax administration and compliance for individuals and businesses.
Committee Categories
Budget and Finance
Sponsors (2)
Last Action
Received from Assembly (on 02/23/2026)
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/asm/bill/ab870 |
| Assembly Substitute Amendment 1 | https://docs.legis.wisconsin.gov/document/amends/2025/REG/AB870-ASA1.pdf |
| Analysis - LC Amendment Memo | https://docs.legis.wisconsin.gov/document/lcamendmentmemos/2025/REG/AB870.pdf |
| Fiscal Note - AB870: Report of the Joint Survey Committee on Tax Exemptions | https://docs.legis.wisconsin.gov/2025/related/fe/ab870/ab870_jscte.pdf |
| Fiscal Note - AB870: Fiscal Estimate From DOR | https://docs.legis.wisconsin.gov/2025/related/fe/ab870/ab870_dor.pdf |
| AB870 ROCP for Committee on Ways and Means | https://docs.legis.wisconsin.gov/2025/related/records/assembly/ways_and_means/1966842.pdf |
| Assembly Amendment 1 | https://docs.legis.wisconsin.gov/document/amends/2025/REG/AB870-AA1.pdf |
| BillText | https://docs.legis.wisconsin.gov/document/proposaltext/2025/REG/AB870.pdf |
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