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Wisconsin Legislature · AB 657 · A - Enacted into Law

A sales and use tax exemption for nuclear fusion technology projects

Introduced
Moved
Reached a final decision
Became law
Derived from the official record below.

Officially: “a sales and use tax exemption for nuclear fusion technology projects. Read the full text

Official title shown verbatim from the official record. Plain-language summary coming as coverage deepens. Not legal advice.
2025-2026 legislature

Where it is

Show all 43 actions
Introduced by Representatives Franklin, Behnke, Callahan, Gustafson, Kreibich, Melotik, Murphy, Mursau, Neylon and Udell; cosponsored by Senator Feyen · Nov 19, 2025

Assembly

Read first time and referred to Committee on Ways and Means · Nov 19, 2025

Assembly

Representative Subeck added as a coauthor · Nov 21, 2025

Assembly

Fiscal estimate received · Dec 4, 2025

Assembly

Fiscal estimate received · Dec 8, 2025

Assembly

Representative Armstrong added as a coauthor · Dec 17, 2025

Assembly

Public hearing held · Jan 8, 2026

Assembly

Assembly Amendment 1 offered by Representative Franklin · Jan 12, 2026

Assembly

Assembly Substitute Amendment 1 offered by Representative Franklin · Jan 29, 2026

Assembly

Executive action taken · Feb 4, 2026

Assembly

Report Assembly Substitute Amendment 1 adoption recommended by Committee on Ways and Means, Ayes 10, Noes 0 · Feb 4, 2026

Assembly

Report passage as amended recommended by Committee on Ways and Means, Ayes 10, Noes 0 · Feb 4, 2026

Assembly

Referred to committee on Rules · Feb 4, 2026

Assembly

Referred to joint survey committee on Tax Exemptions pursuant to Assembly Rule 45 (4) · Feb 6, 2026

Assembly

Senator Spreitzer added as a cosponsor · Feb 6, 2026

Assembly

Executive action taken by joint survey committee on Tax Exemptions · Feb 9, 2026

Assembly

Report of Joint Survey Committee on Tax Exemptions received, Ayes 9, Noes 0 · Feb 10, 2026

Assembly

Placed on calendar 2-12-2026 by Committee on Rules · Feb 10, 2026

Assembly

Read a second time · Feb 12, 2026

Assembly

Assembly Substitute Amendment 1 adopted · Feb 12, 2026

Assembly

Ordered to a third reading · Feb 12, 2026

Assembly

Rules suspended · Feb 12, 2026

Assembly

Read a third time and passed, Ayes 92, Noes 6 · Feb 12, 2026

Assembly

Ordered immediately messaged · Feb 12, 2026

Assembly

Received from Assembly · Feb 13, 2026

Senate

Read first time and referred to joint committee on Finance · Feb 13, 2026

Senate

Executive action taken · Feb 16, 2026

Senate

Report concurrence recommended by Joint Committee on Finance, Ayes 14, Noes 0 · Feb 16, 2026

Senate

Available for scheduling · Feb 16, 2026

Senate

Public hearing requirement waived by committee on Senate Organization, pursuant to Senate Rule 18 (1m), Ayes 3, Noes 2 · Mar 16, 2026

Senate

Placed on calendar 3-17-2026 pursuant to Senate Rule 18(1) · Mar 16, 2026

Senate

Senators Ratcliff and Smith added as cosponsors · Mar 17, 2026

Senate

Read a second time · Mar 17, 2026

Senate

Ordered to a third reading · Mar 17, 2026

Senate

Rules suspended to give bill its third reading · Mar 17, 2026

Senate

Read a third time and concurred in, Ayes 30, Noes 3 · Mar 17, 2026

Senate

Ordered immediately messaged · Mar 17, 2026

Senate

Received from Senate concurred in · Mar 18, 2026

Assembly

Representative Steffen added as a coauthor · Mar 18, 2026

Assembly

Report correctly enrolled on 3-23-2026 · Mar 23, 2026

Assembly

Presented to the Governor on 4-1-2026 · Apr 1, 2026

Assembly

Report approved by the Governor on 4-2-2026. 2025 Wisconsin Act 165 · Apr 2, 2026

Assembly

Published 4-3-2026 · Apr 2, 2026

Assembly

The numbers

10
sponsors on the bill

Sponsors

FranklinBehnkeCallahanGustafsonKreibichMelotikMurphyMursauNeylonUdell

Recorded votes

CONCURRENCESenate · 2026-03-17 · AYES 30, NAYS 3, NOT VOTING 0
PASSAGEAssembly · 2026-02-12 · AYES 92, NAYS 6, NOT VOTING 1, PAIRED 0
Roll-call results shown verbatim from the Wisconsin legislature’s records. A result reflects that roll call’s own motion, not the bill’s overall outcome.
Every fact on this page links to its source, starting with the official bill record. Last action: Published 4-3-2026 (Apr 2, 2026).