Skip to main content
Agencies
Services
Sign Up For Updates
Main IDOR Website
Individuals
Businesses
Tax Professionals
Local Governments
Research
Forms
Tax Resources
Received a Notice?
Tax Amnesty
About the Archive
Prior Year Forms
Corporate Income Tax Forms for Prior Tax Years
Individual Income Tax Forms for Prior Tax Years
Exempt Organization Income and Replacement Tax Forms for Prior Tax Years
Fiduciary Income and Replacement Tax Forms for Prior Tax Years
Partnership Replacement Tax Forms for Prior Tax Years
Small Business Corporation Replacement Tax Forms for Prior Tax Years
Withholding Tax (Payroll) Forms for Prior Years
Electronic Filing Forms for Prior Years
Legal Research
Administrative Hearings
Legal Letter Rulings
Legislative Summaries
Tax Statistics
Annual Report Archive
Annual Unified Economic Development Budget Memos (prior years)
Cannabis Regulation Fund
Collections (Daily) from Major Revenue Sources Archive
Collections (Monthly) Remitted to the State Comptroller Archive
Excise Tax Statistics
Individual Income Tax Stratifications
Local Government Historical Statistics
Sales Tax Statistics
Dated Publications
Compliance Alert Archive
CPI Memo Archive
Informational Bulletins Archive
Local Government Newsletter Archive
News Archive
Pub-111 Comparison Formulas for Prior Year Schedule CRs
ST-58, Reciprocal - Non-Reciprocal Prior Year Vehicle Tax Rate Charts
More
Sign Up For Updates
Tax Archive
Tax Forms for Prior Tax Years
Corporate Income Tax Forms for Prior Tax Years
Search by Tax Type
Individual Income Tax
Corporate Income Tax
Exempt Organization Income and Replacement Tax
Fiduciary Income and Replacement Tax
Partnership Replacement Tax
Small Business Corporation Replacement Tax
Withholding Tax
Electronic Filing
Corporate Income Tax Forms for Prior Tax Years
Current Year Corporate Income Tax forms are available at tax.illinois.gov
.
Sort By
Asset Date
Meeting Date
Report Date
Revision Date
Most Popular
Title
Display in Descending Order
Agencies
Services