2025-2026 Wisconsin Legislature

Assembly Bill 870

An Act to amend 71.01 (6) (n) 1., 71.07 (5) (a) (intro.), 71.07 (5) (a) 2., 71.07 (5) (a) 3., 71.07 (5) (a) 4., 71.22 (4) (n) 1., 71.22 (4m) (n) 1., 71.26 (2) (b) 15. a., 71.26 (3) (e) 1., 71.34 (1g) (n) 1., 71.34 (1k) (h) 1., 71.42 (2) (n) 1., 71.65 (2) (b), 71.70 (1) and 71.72; to create 71.01 (6) (o), 71.05 (21m), 71.22 (4) (o), 71.22 (4m) (o), 71.26 (2) (a) 13., 71.26 (2) (b) 16., 71.34 (1g) (o), 71.42 (2) (o) and 71.45 (2) (a) 25. of the statutes; Relating to: adopting changes to the federal Internal Revenue Code for state tax purposes and modifying administrative rules related to such changes. (FE)

Status: S - Available for Scheduling

Important Actions (newest first)

Date / House Action Journal
3/23/2026 Sen.Failed to concur in pursuant to Senate Joint Resolution 1841
2/19/2026 Asm.Read a third time and passed, Ayes 58, Noes 35638

History

Date / House Action Journal
1/16/2026 Asm.Introduced by Representative Wittke;
cosponsored by Senator Marklein
468
1/16/2026 Asm.Read first time and referred to Committee on Ways and Means468
1/19/2026 Asm.Assembly Amendment 1 offered by Representative Wittke481
1/21/2026 Asm.Public hearing held 
1/28/2026 Asm.Fiscal estimate received 
2/4/2026 Asm.Executive action taken 
2/4/2026 Asm.Report Assembly Amendment 1 adoption recommended by Committee on Ways and Means, Ayes 7, Noes 3529
2/4/2026 Asm.Report passage as amended recommended by Committee on Ways and Means, Ayes 7, Noes 3529
2/4/2026 Asm.Referred to committee on Rules529
2/6/2026 Asm.Referred to joint survey committee on Tax Exemptions pursuant to Assembly Rule 45 (4)536
2/9/2026 Asm.Executive action taken by joint survey committee on Tax Exemptions 
2/10/2026 Asm.Report of Joint Survey Committee on Tax Exemptions received549
2/18/2026 Asm.Made a special order of business at 11:38 AM on 2-19-2026 pursuant to Assembly Resolution 14603
2/19/2026 Asm.Read a second time638
2/19/2026 Asm.Assembly Substitute Amendment 1 offered by Representative Wittke638
2/19/2026 Asm.Assembly Substitute Amendment 1 adopted638
2/19/2026 Asm.Ordered to a third reading638
2/19/2026 Asm.Rules suspended638
2/19/2026 Asm.Read a third time and passed, Ayes 58, Noes 35638
2/19/2026 Asm.Ordered immediately messaged639
2/23/2026 Sen.Received from Assembly741
2/24/2026 Sen.LRB correction (Assembly Substitute Amendment 1)745
2/25/2026 Sen.Read first time and referred to committee on Senate Organization749
2/25/2026 Sen.Available for scheduling 
3/23/2026 Sen.Failed to concur in pursuant to Senate Joint Resolution 1841
 
Content subject to change after proofing by Chief Clerk staff.