republic-os/legislation/us/states/il/101st/sb-1800.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	INC TX-ESTIMATED TAX	Amends the Illinois Income Tax Act. Provides that taxpayers (other than estates, trusts, partnerships, Subchapter S corporations, and farmers) are required to pay estimated tax if the amount payable can reasonably be expected to be more than $1,000 (currently, $500). Provides that corporations are required to pay estimated tax if the amount payable can reasonably be expected to be more than $400 (which is the same as current law). Effective immediately.	us/states/il	Illinois General Assembly	101st	SB 1800	Illinois SB 1800 (101st)	bill		enacted		3	24	2	2019-02-15	2019-08-09	openstates	ocd-bill/a760c959-beca-4151-84d6-6b34f86ff06e	http://ilga.gov/legislation/BillStatus.asp?DocNum=1800&GAID=15&DocTypeID=SB&LegId=119287&SessionID=108&GA=101	47d6752ebd1ea4d2381f92ccbe1f6df6bcf166026256075154259bbbc030c686	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-il

Illinois SB 1800 (101st) — INC TX-ESTIMATED TAX

Amends the Illinois Income Tax Act. Provides that taxpayers (other than estates, trusts, partnerships, Subchapter S corporations, and farmers) are required to pay estimated tax if the amount payable can reasonably be expected to be more than $1,000 (currently, $500). Provides that corporations are required to pay estimated tax if the amount payable can reasonably be expected to be more than $400 (which is the same as current law). Effective immediately.

Version chain

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

1. Introduced (filed) — source
2. Engrossed (committee substitute) — source
3. Enrolled (enrolled) — source

Votes

• Third Reading — 49–0 (pass) · upper
• Third Reading — 113–0 (pass) · lower

Sponsors

• Chapin Rose — primary (person)
• Michael T. Marron — primary (person)

Timeline

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

• 2019-02-15 Filed with Secretary by Sen. Chapin Rose filing
• 2019-02-15 First Reading reading-1
• 2019-02-15 Referred to Assignments referral-committee
• 2019-02-27 Assigned to Revenue referral-committee
• 2019-03-06 Do Pass Revenue; 007-000-000 committee-passage
• 2019-03-06 Placed on Calendar Order of 2nd Reading
• 2019-03-13 Second Reading reading-2
• 2019-03-13 Placed on Calendar Order of 3rd Reading March 14, 2019
• 2019-03-28 Third Reading - Passed; 049-000-000 reading-3, passage
• 2019-03-28 Arrived in House introduction
• 2019-03-28 Chief House Sponsor Rep. Michael T. Marron
• 2019-03-28 First Reading reading-1
• 2019-03-28 Referred to Rules Committee referral-committee
• 2019-04-09 Assigned to Revenue & Finance Committee referral-committee
• 2019-05-09 Do Pass / Short Debate Revenue & Finance Committee; 015-000-000 committee-passage
• 2019-05-09 Placed on Calendar 2nd Reading - Short Debate
• 2019-05-21 Second Reading - Short Debate reading-2
• 2019-05-21 Placed on Calendar Order of 3rd Reading - Short Debate
• 2019-05-23 Third Reading - Short Debate - Passed 113-000-000 reading-3, passage
• 2019-05-23 Passed Both Houses
• 2019-06-21 Sent to the Governor executive-receipt
• 2019-08-09 Governor Approved executive-signature
• 2019-08-09 Effective Date August 9, 2019
• 2019-08-09 Public Act . . . . . . . . . 101-0355 became-law

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/a760c959-beca-4151-84d6-6b34f86ff06e. Confidence: reported (aggregated from official Illinois legislature records).