Wisconsin · 2025-2026 Regular Session · Bill
AB 870: Relating to: adopting changes to the federal Internal Revenue Code for state tax purposes and modifying administrative rules related to such changes. (FE)
Passed one chamber Official data
- Introduced
- In committee
- Passed one chamber
- Passed both chambers
- Enacted
Last official action: ·Record last updated:
Plain-language summary
AB 870 is a bill introduced in the Wisconsin House on January 16, 2026. According to its official title, it concerns: Relating to: adopting changes to the federal Internal Revenue Code for state tax purposes and modifying administrative rules related to such changes. (FE). Primary sponsor: Bob Wittke (Republican). It lists 1 additional sponsor. Most recent recorded action (March 23, 2026): Failed to concur in pursuant to Senate Joint Resolution 1.
Generated automatically from the official title, sponsor list, and status record only. It does not characterize the bill’s purpose or effects. How summaries are written
Sponsors
Sponsors by party (alphabetical): Republican 2
| Name | Role | Party | Chamber | District |
|---|---|---|---|---|
| Bob Wittke | Primary sponsor | Republican | House | 63 |
| Howard Marklein | Co-sponsor | Republican | Senate | 17 |
“Support” is shown only as formal sponsorship recorded by the legislature. Roll-call votes are available on the official bill page.
Recent official actions
- Failed to concur in pursuant to Senate Joint Resolution 1
- Available for scheduling
- Read first time and referred to committee on Senate Organization
- LRB correction (Assembly Substitute Amendment 1)
- Received from Assembly
- Ordered immediately messaged
- Read a third time and passed, Ayes 58, Noes 35
- Rules suspended
- Ordered to a third reading
- Assembly Substitute Amendment 1 adopted
- Assembly Substitute Amendment 1 offered by Representative Wittke
- Read a second time
Showing 12 most recent of 25 actions. Full history