Welcome to the Illinois Department of Revenue

IDOR Offices Closed to the Public
Taxpayer Resources during COVID-19 (Coronavirus) Outbreak

 Latest News

 

 

FY 2020-24 - Illinois Income Tax Filing and Payment Extensionhttps://www2.illinois.gov/rev/research/publications/bulletins/Documents/2020/FY2020-24.pdfFY 2020-24 - Illinois Income Tax Filing and Payment Extension3/25/2020 5:00:00 AM
Gov. Pritzker Announces Income Tax Filing Extension, More Than $90 Million in Small Business Aidhttps://www2.illinois.gov/dceo/Media/PressReleases/Pages/PR20200325.aspxGov. Pritzker Announces Income Tax Filing Extension, More Than $90 Million in Small Business Aid3/25/2020 5:00:00 AM
Effective Immediately: IDOR Offices Closed to the Publichttps://www2.illinois.gov/rev/research/news/Pages/Effective-Immediately-IDOR-Offices-Closed-to-the-Public.aspxEffective Immediately: IDOR Offices Closed to the Public3/23/2020 5:00:00 AM
FY 2020-23 - Short-Term Relief from Penalties for Late Sales Tax Payments Due to COVID-19 Virus Outbreakhttps://www2.illinois.gov/rev/research/publications/bulletins/Documents/2020/FY2020-23.pdfFY 2020-23 - Short-Term Relief from Penalties for Late Sales Tax Payments Due to COVID-19 Virus Outbreak3/19/2020 5:00:00 AM
Resource Page for the Withholding Income Tax Minimum Wage Credithttps://www2.illinois.gov/rev/research/news/Pages/Withholding-Income-Tax-Minimum-Wage-Credit.aspxResource Page for the Withholding Income Tax Minimum Wage Credit3/18/2020 5:00:00 AM
Pritzker Administration Announces Revenue Figures For First Month Of Adult Use Cannabis https://www2.illinois.gov/Pages/news-item.aspx?ReleaseID=21172Pritzker Administration Announces Revenue Figures For First Month Of Adult Use Cannabis 2/24/2020 6:00:00 AM
FY 2020-21 - New Municipal Motor Fuel Tax Allowed To Be Imposed By Municipalities Located In Cook County https://www2.illinois.gov/rev/research/publications/bulletins/Documents/2020/FY2020-21.pdfFY 2020-21 - New Municipal Motor Fuel Tax Allowed To Be Imposed By Municipalities Located In Cook County 2/18/2020 6:00:00 AM
Compliance Alert - Tax Obligations of Marketplace Sellers Making Marketplace Sales Subject to Retailers' Occupation Taxhttps://www2.illinois.gov/rev/research/publications/compliancealerts/Documents/CA 2020-3.pdfCompliance Alert - Tax Obligations of Marketplace Sellers Making Marketplace Sales Subject to Retailers' Occupation Tax2/10/2020 6:00:00 AM
State Collects Nearly $240 Million Through Tax Amnesty Programhttps://www2.illinois.gov/Pages/news-item.aspx?ReleaseID=21126State Collects Nearly $240 Million Through Tax Amnesty Program2/4/2020 6:00:00 AM

 Frequent Questions

 

 

Where do I mail my individual income tax return?https://www2.illinois.gov/rev/questionsandanswers/Pages/5.aspxWhere do I mail my individual income tax return?
What should I do if I mailed my income tax return and forgot to include the check?https://www2.illinois.gov/rev/questionsandanswers/Pages/61.aspxWhat should I do if I mailed my income tax return and forgot to include the check?
How can I obtain my 8-digit IL-PIN to electronically file my Form IL-1040?https://www2.illinois.gov/rev/questionsandanswers/Pages/309.aspxHow can I obtain my 8-digit IL-PIN to electronically file my Form IL-1040?
What is the penalty for not making estimated tax payments?https://www2.illinois.gov/rev/questionsandanswers/Pages/49.aspxWhat is the penalty for not making estimated tax payments?
Do I have to pay income tax on gambling winnings if I already paid the tax in the state where I won the money?https://www2.illinois.gov/rev/questionsandanswers/Pages/468.aspxDo I have to pay income tax on gambling winnings if I already paid the tax in the state where I won the money?
How do I change the information I have previously submitted on Form EFT-1?https://www2.illinois.gov/rev/questionsandanswers/Pages/539.aspxHow do I change the information I have previously submitted on Form EFT-1?
What is the Illinois exemption allowance?https://www2.illinois.gov/rev/questionsandanswers/Pages/851.aspxWhat is the Illinois exemption allowance?
When is my individual income tax return due?https://www2.illinois.gov/rev/questionsandanswers/Pages/4.aspxWhen is my individual income tax return due?

Taxpayer Answer Center

 Trending Forms

 

 

2019 IL-1040 Instructionshttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/IL-1040-Instr.pdf2019 IL-1040 Instructions
2019 IL-1040, Individual Income Tax Returnhttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/IL-1040.pdf2019 IL-1040, Individual Income Tax Return
2020 Form IL-W-4, Employee’s and other Payee’s Illinois Withholding Allowance Certificate and Instructionshttps://www2.illinois.gov/rev/forms/withholding/Documents/currentyear/IL-W-4.pdf2020 Form IL-W-4, Employee’s and other Payee’s Illinois Withholding Allowance Certificate and Instructions
2019 Schedule ICR, Illinois Creditshttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/IL-1040-Schedule-ICR.pdf2019 Schedule ICR, Illinois Credits
2020 IL-1040-ES, Estimated Income Tax Payments for Individualshttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/IL-1040-ES.pdf2020 IL-1040-ES, Estimated Income Tax Payments for Individuals
2019 Schedule IL-WIT, Illinois Income Tax Withheldhttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/IL-1040-Schedule-IL-WIT.pdf2019 Schedule IL-WIT, Illinois Income Tax Withheld
2019 Form IL-1040 Exemption Allowance Charthttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/IL-1040_Exemption_Allowance_Chart.pdf2019 Form IL-1040 Exemption Allowance Chart
2019 Schedule NR, Nonresident and Part-Year Resident Computation of Illinois Taxhttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/il-1040-schedule-nr.pdf2019 Schedule NR, Nonresident and Part-Year Resident Computation of Illinois Tax
CRT-61 - Certificate of Resalehttps://www2.illinois.gov/rev/forms/sales/Documents/sales/crt-61.pdfCRT-61 - Certificate of Resale
2019 IL-1040-V, Payment Voucher for Individual Income Taxhttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/IL-1040-V.pdf2019 IL-1040-V, Payment Voucher for Individual Income Tax

All Tax Forms

 Tax Types

 

 

Sales & Use Taxeshttps://www2.illinois.gov/rev/research/taxinformation/sales/Pages/rot.aspxSales & Use Taxes
Private Party Vehicle Use Taxhttps://www2.illinois.gov/rev/research/taxinformation/sales/Pages/vehicle.aspxPrivate Party Vehicle Use Tax
Corporate income taxhttps://www2.illinois.gov/rev/research/taxinformation/income/Pages/corporate.aspxCorporate income tax
Partnershiphttps://www2.illinois.gov/rev/research/taxinformation/income/Pages/partnership.aspxPartnership
Real Estate Transfer Tax – Individuals, Title Companies and Settlement Agencieshttps://www2.illinois.gov/rev/research/taxinformation/property/Pages/rett.aspxReal Estate Transfer Tax – Individuals, Title Companies and Settlement Agencies
Subchapter Shttps://www2.illinois.gov/rev/research/taxinformation/income/Pages/subchapters.aspxSubchapter S
Real Estate Transfer Tax Stamp Purchase Forms/Procedures – Countieshttps://www2.illinois.gov/rev/research/taxinformation/property/Pages/realestate.aspxReal Estate Transfer Tax Stamp Purchase Forms/Procedures – Counties
Charitable Games Tax & License Feeshttps://www2.illinois.gov/rev/research/taxinformation/charitygaming/Pages/charitable.aspxCharitable Games Tax & License Fees

More Tax Types