republic-os/legislation/us/states/wi/2021/ab-18.md

type, title, description, jurisdiction, legislature, session, identifier, citation, classification, subjects, status, primary_sponsors, version_count, action_count, vote_count, first_action, last_action, source, source_identifier, source_url, source_hash, vintage, source_snapshot, retrieved_at, confidence, tags

type	title	description	jurisdiction	legislature	session	identifier	citation	classification	subjects	status	primary_sponsors	version_count	action_count	vote_count	first_action	last_action	source	source_identifier	source_url	source_hash	vintage	source_snapshot	retrieved_at	confidence	tags
Bill	Relating to: adopting federal law changes to extend the time for filing individual income tax returns.	Relating to: adopting federal law changes to extend the time for filing individual income tax returns.	us/states/wi	Wisconsin Legislature	2021	AB 18	Wisconsin AB 18 (2021)	bill		enacted	Callahan Dittrich Drake Duchow Gundrum Haywood Horlacher Katsma Kitchens Knodl Kuglitsch Macco Moses Mursau Oldenburg Ramthun Skowronski Snyder Steffen Subeck Wittke Zimmerman	2	35	2	2021-01-29T06:00:00+00:00	2021-05-21T05:00:00+00:00	openstates	ocd-bill/7a2be8f7-2c81-44a5-a07e-4afb117c3861	https://docs.legis.wisconsin.gov/2021/proposals/reg/asm/bill/ab18	eeab9b341cdaca5c9de1b038e4478cd2265417dc21de20f712b3ef509f064b4d	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-wi

Wisconsin AB 18 (2021) — Relating to: adopting federal law changes to extend the time for filing individual income tax returns.

Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. Assembly Substitute Amendment 2 (committee substitute) — source
2. Bill Text (committee substitute) — source

Votes

• Senate Amendment 1 laid on table, Ayes 22, Noes 11 — 22–11 (pass) · upper
• Report passage recommended by Committee on Ways and Means, Ayes 12, Noes 0 — 12–0 (pass) · lower

Sponsors

• Callahan — primary (person)
• Dittrich — primary (person)
• Drake — primary (person)
• Duchow — primary (person)
• Gundrum — primary (person)
• Haywood — primary (person)
• Horlacher — primary (person)
• Katsma — primary (person)
• Kitchens — primary (person)
• Knodl — primary (person)
• Kuglitsch — primary (person)
• Macco — primary (person)
• Moses — primary (person)
• Mursau — primary (person)
• Oldenburg — primary (person)
• Ramthun — primary (person)
• Skowronski — primary (person)
• Snyder — primary (person)
• Steffen — primary (person)
• Subeck — primary (person)
• Wittke — primary (person)
• Zimmerman — primary (person)

Timeline

The legislative action history — every referral, reading, and vote.

• 2021-01-29T06:00:00+00:00 Introduced by Representatives Macco, Callahan, Dittrich, Drake, Duchow, Gundrum, Haywood, Horlacher, Katsma, Kitchens, Knodl, Kuglitsch, Moses, Mursau, Oldenburg, Ramthun, Skowronski, Snyder, Steffen, Wittke, Zimmerman and Subeck; cosponsored by Senators Kooyenga, Ballweg, Carpenter, Cowles, Felzkowski, Feyen, Marklein, Nass, L. Taylor and Wanggaard introduction
• 2021-01-29T06:00:00+00:00 Read first time and referred to Committee on Ways and Means reading-1, referral-committee
• 2021-02-02T06:00:00+00:00 Representative Wichgers added as a coauthor
• 2021-03-02T06:00:00+00:00 Public hearing held
• 2021-03-18T05:00:00+00:00 Executive action taken
• 2021-03-25T05:00:00+00:00 Report passage recommended by Committee on Ways and Means, Ayes 12, Noes 0 committee-passage-favorable
• 2021-03-25T05:00:00+00:00 Referred to committee on Rules referral-committee
• 2021-04-08T05:00:00+00:00 Placed on calendar 4-13-2021 by Committee on Rules
• 2021-04-12T05:00:00+00:00 Assembly Substitute Amendment 1 offered by Representatives Wittke and Macco
• 2021-04-12T05:00:00+00:00 Representative Spreitzer added as a coauthor
• 2021-04-13T05:00:00+00:00 Placed at the foot of the calendar of 4-13-2021
• 2021-04-13T05:00:00+00:00 Read a second time reading-2
• 2021-04-13T05:00:00+00:00 Assembly Substitute Amendment 2 offered by Representatives Wittke and Macco
• 2021-04-13T05:00:00+00:00 Assembly Substitute Amendment 2 adopted amendment-passage
• 2021-04-13T05:00:00+00:00 Ordered to a third reading reading-3
• 2021-04-13T05:00:00+00:00 Rules suspended
• 2021-04-13T05:00:00+00:00 Read a third time and passed passage, reading-3
• 2021-04-13T05:00:00+00:00 Representative Bowen added as a coauthor
• 2021-04-13T05:00:00+00:00 Ordered immediately messaged
• 2021-04-14T05:00:00+00:00 Received from Assembly receipt
• 2021-04-14T05:00:00+00:00 Read first time and referred to committee on Senate Organization referral-committee
• 2021-04-14T05:00:00+00:00 Available for scheduling
• 2021-05-07T05:00:00+00:00 Placed on calendar 5-11-2021 pursuant to Senate Rule 18(1)
• 2021-05-11T05:00:00+00:00 Senate Amendment 1 offered by Senator Carpenter
• 2021-05-11T05:00:00+00:00 Read a second time reading-2
• 2021-05-11T05:00:00+00:00 Senate Amendment 1 laid on table, Ayes 22, Noes 11 deferral
• 2021-05-11T05:00:00+00:00 Ordered to a third reading reading-3
• 2021-05-11T05:00:00+00:00 Rules suspended
• 2021-05-11T05:00:00+00:00 Read a third time and concurred in passage, reading-3
• 2021-05-11T05:00:00+00:00 Ordered immediately messaged
• 2021-05-11T05:00:00+00:00 Received from Senate concurred in receipt
• 2021-05-14T05:00:00+00:00 Report correctly enrolled on 5-14-2021 enrolled
• 2021-05-20T05:00:00+00:00 Presented to the Governor on 5-20-2021 executive-receipt
• 2021-05-21T05:00:00+00:00 Report approved by the Governor on 5-21-2021. 2021 Wisconsin Act 40 executive-signature
• 2021-05-21T05:00:00+00:00 Published 5-22-2021 became-law

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/7a2be8f7-2c81-44a5-a07e-4afb117c3861. Confidence: reported (aggregated from official Wisconsin legislature records).