Welcome to the Illinois Department of Revenue

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

 Latest News

 

 

Illinois Business Income Tax Deadlines Extendedhttps://www2.illinois.gov/rev/research/news/Pages/Illinois-Business-Income-Tax-Deadlines-Extended.aspxIllinois Business Income Tax Deadlines Extended10/11/2018 5:00:00 AM
Illinois Department of Revenue Launches New Websitehttps://www2.illinois.gov/Pages/news-item.aspx?ReleaseID=19221Illinois Department of Revenue Launches New Website10/4/2018 5:00:00 AM
FY 2019-07 - Changes to Illinois Liquor License Requirements for Certain Self-Distribution of Beer and Ciderhttps://www2.illinois.gov/rev/research/publications/bulletins/Documents/2019/FY-2019-07.pdfFY 2019-07 - Changes to Illinois Liquor License Requirements for Certain Self-Distribution of Beer and Cider10/1/2018 5:00:00 AM
FY 2019-10 - Wine Sales to Illinois Purchasers by Out-of-State Sellers of Winehttps://www2.illinois.gov/rev/research/publications/bulletins/Documents/2019/FY-2019-10.pdfFY 2019-10 - Wine Sales to Illinois Purchasers by Out-of-State Sellers of Wine9/28/2018 5:00:00 AM
FY 2019-08 - Simplified Municipal Telecommunications Tax Rate Changes Effective January 1, 2019https://www2.illinois.gov/rev/research/publications/bulletins/Documents/2019/FY-2019-08.pdfFY 2019-08 - Simplified Municipal Telecommunications Tax Rate Changes Effective January 1, 20199/27/2018 5:00:00 AM
Rate Changes to Take Effect January 1, 2019https://www2.illinois.gov/rev/research/news/Pages/Rate-Changes-to-Take-Effect-January-1,-2019.aspxRate Changes to Take Effect January 1, 20199/20/2018 5:00:00 AM
FY 2019-05 - Use Tax Guidance for Remote Sellershttps://www2.illinois.gov/rev/research/publications/bulletins/Documents/2019/FY-2019-05.pdfFY 2019-05 - Use Tax Guidance for Remote Sellers9/10/2018 5:00:00 AM

 Frequent Questions

 

 

What is the due date of Form IL-1041?https://www2.illinois.gov/rev/questionsandanswers/Pages/63.aspxWhat is the due date of Form IL-1041?
How can a partnership, S corporation, or trust pay Illinois Income and Replacement Tax for nonresident partners, shareholders, or beneficiaries?https://www2.illinois.gov/rev/questionsandanswers/Pages/80.aspxHow can a partnership, S corporation, or trust pay Illinois Income and Replacement Tax for nonresident partners, shareholders, or beneficiaries?
What is pass-through withholding?https://www2.illinois.gov/rev/questionsandanswers/Pages/691.aspxWhat is pass-through withholding?
Who must file Form IL-1120-SThttps://www2.illinois.gov/rev/questionsandanswers/Pages/93.aspxWho must file Form IL-1120-ST
What is the due date of Form IL-1120-ST?https://www2.illinois.gov/rev/questionsandanswers/Pages/65.aspxWhat is the due date of Form IL-1120-ST?
Who must file Form IL-1041?https://www2.illinois.gov/rev/questionsandanswers/Pages/73.aspxWho must file Form IL-1041?
Who must file Form IL-1065?https://www2.illinois.gov/rev/questionsandanswers/Pages/74.aspxWho must file Form IL-1065?
Do returns need to be filed for all trusts?https://www2.illinois.gov/rev/questionsandanswers/Pages/529.aspxDo returns need to be filed for all trusts?

Taxpayer Answer Center

 Trending Forms

 

 

EDA-98-U - Claim for Credit (audited periods only)https://www2.illinois.gov/rev/forms/misc/Documents/auditsalestax/eda-98-u.pdfEDA-98-U - Claim for Credit (audited periods only)
EDA-98-U - Instructionshttps://www2.illinois.gov/rev/forms/misc/Documents/auditsalestax/eda-98-u-instr.pdfEDA-98-U - Instructions
2017 Schedule 1299-C - Instructionshttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/individual/IL-1040-Schedule-1299-C-Instr.pdf2017 Schedule 1299-C - Instructions
MFUT-77 - Illinois IFTA Decal Assignment and Tracking Sheethttps://www2.illinois.gov/rev/forms/misc/Documents/mft/MFUT-77.pdfMFUT-77 - Illinois IFTA Decal Assignment and Tracking Sheet
MFUT-76 - Motor Fuel Use Tax Individual Trip Summary Reporthttps://www2.illinois.gov/rev/forms/misc/Documents/mft/MFUT-76.pdfMFUT-76 - Motor Fuel Use Tax Individual Trip Summary Report
ITR-1 - Request for Tax Clearancehttps://www2.illinois.gov/rev/forms/misc/Documents/clearance/ITR-1.pdfITR-1 - Request for Tax Clearance
2018-IL-990-T-V - Payment Voucher for Exempt Organization Income and Replacement Taxhttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/business/taxexempt/2018-IL-990-T-V.pdf2018-IL-990-T-V - Payment Voucher for Exempt Organization Income and Replacement Tax
2018-IL-1120-ST-V - Payment Voucher for Small Business Corporation Replacement Taxhttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/business/smallbusiness/2018-IL-1120-ST-V.pdf2018-IL-1120-ST-V - Payment Voucher for Small Business Corporation Replacement Tax
Payment Voucher for Corporation Income and Replacement Tax - (For tax years ending on or after 12/31/2017 and on or before 12/30/2018) https://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/business/corporate/2018-IL-1120-V.pdfPayment Voucher for Corporation Income and Replacement Tax - (For tax years ending on or after 12/31/2017 and on or before 12/30/2018)
2018-IL-1041-V - Payment Voucher for Fiduciary Income and Replacement Taxhttps://www2.illinois.gov/rev/forms/incometax/Documents/currentyear/business/fiduciary/2018-IL-1041-V.pdf2018-IL-1041-V - Payment Voucher for Fiduciary Income and Replacement Tax

All Tax Forms

 Tax Types

 

 

Sales & Use Taxeshttps://www2.illinois.gov/rev/research/taxinformation/sales/Pages/rot.aspxSales & Use Taxes
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
Private Party Vehicle Use Taxhttps://www2.illinois.gov/rev/research/taxinformation/sales/Pages/vehicle.aspxPrivate Party Vehicle Use Tax
Exempt Organizationshttps://www2.illinois.gov/rev/research/taxinformation/income/Pages/exempt.aspxExempt Organizations
Partnershiphttps://www2.illinois.gov/rev/research/taxinformation/income/Pages/partnership.aspxPartnership
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