Welcome to the Illinois Department of Revenue

Important Notice - ​Guidance for remote sellers making sales to Illinois purchasers (Wayfair)

 Latest News

 

 

2018 Cook County Tentative Multiplier Announcedhttps://www2.illinois.gov/rev/research/news/Pages/2018-Cook-County-Tentative-Multiplier-Announced.aspx2018 Cook County Tentative Multiplier Announced2/7/2019 6:00:00 AM
FY 2019-18 - What's New for Illinois Taxeshttps://www2.illinois.gov/rev/research/publications/bulletins/Documents/2019/FY-2019-18.pdfFY 2019-18 - What's New for Illinois Taxes1/24/2019 6:00:00 AM
2019 Illinois Tax Filing Season Begins Monday, January 28https://www2.illinois.gov/Pages/news-item.aspx?ReleaseID=196252019 Illinois Tax Filing Season Begins Monday, January 281/23/2019 6:00:00 AM
2018 Federal Government Shutdownhttps://www2.illinois.gov/rev/research/news/Pages/2018-Federal-Government-Shutdown.aspx2018 Federal Government Shutdown12/24/2018 6:00:00 AM
FY 2019-16 - Audit Fast Track Resolution (FTR) Pilot Programhttps://www2.illinois.gov/rev/research/publications/bulletins/Documents/2019/FY-2019-16.pdfFY 2019-16 - Audit Fast Track Resolution (FTR) Pilot Program12/14/2018 6:00:00 AM
FY 2019-15 - Change in the Motor Fuel Use Tax Ratehttps://www2.illinois.gov/rev/research/publications/bulletins/Documents/2019/FY-2019-15.pdfFY 2019-15 - Change in the Motor Fuel Use Tax Rate12/14/2018 6:00:00 AM
FY 2019-09-A - Sales Tax Rate Change Summaryhttps://www2.illinois.gov/rev/research/publications/bulletins/Documents/2019/FY-2019-09.pdfFY 2019-09-A - Sales Tax Rate Change Summary12/13/2018 6:00:00 AM
Governor waives penalties, interest for taxpayers affected by tornadoes, severe weatherhttps://www2.illinois.gov/rev/research/news/Pages/Governor-waives-penalties,-interest-for-taxpayers-affected-by-tornadoes,-severe-weather.aspxGovernor waives penalties, interest for taxpayers affected by tornadoes, severe weather12/6/2018 6:00:00 AM
Returns and payments due December 5 are now due December 6https://www2.illinois.gov/rev/research/news/Pages/Returns-and-payments-due-December-5-are-now-due-December-6.aspxReturns and payments due December 5 are now due December 612/5/2018 6:00:00 AM

 Frequent Questions

 

 

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?
Are gasohol and biodiesel blended products taxed differently than standard gasoline and diesel?https://www2.illinois.gov/rev/questionsandanswers/Pages/176.aspxAre gasohol and biodiesel blended products taxed differently than standard gasoline and diesel?
What is the Illinois exemption allowance?https://www2.illinois.gov/rev/questionsandanswers/Pages/851.aspxWhat is the Illinois exemption allowance?
Should I file an income tax return if I live in another state but worked in Illinois?https://www2.illinois.gov/rev/questionsandanswers/Pages/10.aspxShould I file an income tax return if I live in another state but worked in Illinois?
How do not-for-profit organizations apply for an exempt (E) number?https://www2.illinois.gov/rev/questionsandanswers/Pages/183.aspxHow do not-for-profit organizations apply for an exempt (E) number?
Does my spouse need an IL-PIN if we are using tax preparation software to file a joint return?https://www2.illinois.gov/rev/questionsandanswers/Pages/117.aspxDoes my spouse need an IL-PIN if we are using tax preparation software to file a joint return?
Does Illinois tax my pension, social security, or retirement income?https://www2.illinois.gov/rev/questionsandanswers/Pages/99.aspxDoes Illinois tax my pension, social security, or retirement income?
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?

Taxpayer Answer Center

 Trending Forms

 

 

2018 IL-1040 Instructionshttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/IL-1040-Instr.pdf2018 IL-1040 Instructions
2018 IL-1040 - Individual Income Tax Returnhttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/IL-1040.pdf2018 IL-1040 - Individual Income Tax Return
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.pdfForm IL-W-4 - Employee’s and other Payee’s Illinois Withholding Allowance Certificate and Instructions
2018 Schedule ICR - Illinois Creditshttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/IL-1040-Schedule-ICR.pdf2018 Schedule ICR - Illinois Credits
CRT-61 - Certificate of Resalehttps://www2.illinois.gov/rev/forms/sales/Documents/sales/crt-61.pdfCRT-61 - Certificate of Resale
2018 Schedule IL-WIT, Illinois Income Tax Withheldhttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/IL-1040-Schedule-IL-WIT.pdf2018 Schedule IL-WIT, Illinois Income Tax Withheld
2018 IL-1040-ES - 2018 Estimated Income Tax Payments for Individualshttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/IL-1040-ES.pdf2018 IL-1040-ES - 2018 Estimated Income Tax Payments for Individuals
2018 Schedule IL-E/EIC, Illinois Exemption and Earned Income Credithttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/IL-1040-Schedule-IL-E-EIC.pdf2018 Schedule IL-E/EIC, Illinois Exemption and Earned Income Credit
2018 Schedule M - Other Additions and Subtractions for Individualshttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/il-1040-schedule-m.pdf2018 Schedule M - Other Additions and Subtractions for Individuals
2018 Schedule ICR - Instructionshttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/IL-1040-Schedule-ICR-Instr.pdf2018 Schedule ICR - Instructions

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
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
Corporate income taxhttps://www2.illinois.gov/rev/research/taxinformation/income/Pages/corporate.aspxCorporate income tax
Exempt Organizationshttps://www2.illinois.gov/rev/research/taxinformation/income/Pages/exempt.aspxExempt Organizations
Cigarette & Cigarette Use Taxeshttps://www2.illinois.gov/rev/research/taxinformation/excise/Pages/cigarette.aspxCigarette & Cigarette Use Taxes
Bingo Tax & License Feeshttps://www2.illinois.gov/rev/research/taxinformation/charitygaming/Pages/bingo.aspxBingo Tax & License Fees

More Tax Types