Welcome to the Illinois Department of Revenue

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

 Latest News

 

 

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
FY 2019-14 - Religious Organizations that Possess an Active Exemption Identification Number Who Act as Hotel Operatorshttps://www2.illinois.gov/rev/research/publications/bulletins/Documents/2019/FY-2019-14.pdfFY 2019-14 - Religious Organizations that Possess an Active Exemption Identification Number Who Act as Hotel Operators11/15/2018 6:00:00 AM

 Frequent Questions

 

 

I am an employer. Am I required to submit copies of my employees' Forms W-2 or Forms W-2c to the Illinois Department of Revenue?https://www2.illinois.gov/rev/questionsandanswers/Pages/395.aspxI am an employer. Am I required to submit copies of my employees' Forms W-2 or Forms W-2c to the Illinois Department of Revenue?
How do I file an individual income tax return for a deceased person?https://www2.illinois.gov/rev/questionsandanswers/Pages/11.aspxHow do I file an individual income tax return for a deceased person?
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?
Is there a penalty if I do not pay my tax due by the due date?https://www2.illinois.gov/rev/questionsandanswers/Pages/110.aspxIs there a penalty if I do not pay my tax due by the due date?
How do I apply for injured spouse relief?https://www2.illinois.gov/rev/questionsandanswers/Pages/116.aspxHow do I apply for injured spouse relief?
Does rental of athletic equipment from a school qualify for the education expense credit?https://www2.illinois.gov/rev/questionsandanswers/Pages/114.aspxDoes rental of athletic equipment from a school qualify for the education expense credit?
I am an employer. Can I submit my employees' Forms W-2, W-2c, W-2G, and 1099 to IDOR electronically?https://www2.illinois.gov/rev/questionsandanswers/Pages/759.aspxI am an employer. Can I submit my employees' Forms W-2, W-2c, W-2G, and 1099 to IDOR electronically?
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?

Taxpayer Answer Center

 Trending Forms

 

 

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
ST-1 - Instructions - For reporting periods January 2019 and afterhttps://www2.illinois.gov/rev/forms/sales/Documents/sales/ST-1-Instr.pdfST-1 - Instructions - For reporting periods January 2019 and after
CRT-61 - Certificate of Resalehttps://www2.illinois.gov/rev/forms/sales/Documents/sales/crt-61.pdfCRT-61 - Certificate of Resale
ST-1 - Sales and Use Tax and E911 Surcharge Return - For reporting periods January 2019 and afterhttps://www2.illinois.gov/rev/forms/sales/Documents/sales/ST-1.pdfST-1 - Sales and Use Tax and E911 Surcharge Return - For reporting periods January 2019 and after
2017 IL-1040-ES - 2018 Estimated Income Tax Payments for Individualshttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/il-1040-es.pdf2017 IL-1040-ES - 2018 Estimated Income Tax Payments for Individuals
Booklet IL-700-T - Illinois Withholding Tax Tables Effective January 1, 2019https://www2.illinois.gov/rev/forms/withholding/Documents/currentyear/il-700-t.pdfBooklet IL-700-T - Illinois Withholding Tax Tables Effective January 1, 2019
2017 IL-1040 - Individual Income Tax Returnhttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/il-1040.pdf2017 IL-1040 - Individual Income Tax Return
Form REG-1 - Illinois Business Registration Applicationhttps://www2.illinois.gov/rev/forms/reg/Documents/REG-1.pdfForm REG-1 - Illinois Business Registration Application
2017 IL-1040 Instructionshttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/IL-1040-Instr.pdf2017 IL-1040 Instructions
CPP-1 - Installment Payment Plan Requesthttps://www2.illinois.gov/rev/forms/misc/Documents/payment/cpp-1.pdfCPP-1 - Installment Payment Plan Request

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

More Tax Types