Revenue, Department of
Revenue, Department of
The primary responsibility of the Department of Revenue is to serve as the tax collection agency for state government and for local governments. The department regulates the manufacture, distribution, and sale of alcoholic beverages. The department also oversees local property tax assessments, and functions as the funding agent for the Illinois Housing Development Authority.

Estimated Payments
View estimated payment details for your Individual Income Tax Return.
Extension Payments
View information on extension payments for Individual Income Tax (Sole Proprietorships).
IL-1040 Address Change
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Claiming Disaster Relief
Locate taxpayer information on claiming disaster relief
Unemployment & Withholding Tax for Household Employees
Access information on employer Withholding Income Tax requirements for household employees.
Withholding Tax for Household Employees
View additional information and reporting requirements for filing Withholding Income Tax for Household Employees.
File Business Taxes
File business tax online with MyTax Illinois.
Withholding Income Tax Web Filing
File Withholding Income Taxes online with MyTax Illinois.
Withholding Tax Coupon Booklet Requests
Make your IL -501 payment online here.
Motor Fuel Refund Inquiry
View additional information on refunds related to Illinois taxes paid on motor fuel used for non-highway purposes.
IL-2848 Power of Attorney
Access information on IDOR Power of Attorney filing requirements.
Error Notice & Bill Inquiry
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Individual Income Tax Payment
Check the status of your Illinois Individual Income Tax refund using 'Where’s My Refund?'
Business Tax Account Summary
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1040 ES Payment Inquiry
View estimated payment details for your Individual Income Tax Return with MyTax Illinois.
1099-G Lookup
View your current year 1099-G Certain Government Payments information online with MyTax Illinois.
Taxpayer Answer Center
Find an answer to your tax question by category.
Taxes at Fairs Festivals Flea Markets and Craft Shows
View information on Illinois sales tax requirements for retailers.
File Income Taxes
File income taxes online with MyTax Illinois.
Obtaining a Copy of a Tax Return
Access information on filing Form IL-4506 to obtain a copy of a state tax return.