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Welcome to the Illinois Department of Revenue. Committed to excellence and working together to fund Illinois' future. Important Notices. Response Options for Identity Verification Letters.
- Tax Forms
Documents are in Adobe Acrobat Portable Document Format...
- Individuals
File a Return Make a Payment (or set up a payment plan) Get...
- Make a Payment
Make a Payment - Options for Individuals. Note: Vehicle use...
- Where's My Refund
For more specific information about the status of your...
- Businesses
File a Return Make a Payment Payment Plan Who Must Make...
- Contact Us
To receive assistance by phone, please call 1 800 732-8866...
- Tax Lien Registry
The State Tax Lien Registry was created in accordance with...
- Pay by Credit Card
Use your MasterCard, Discover, American Express, or Visa to...
- Sales & Use Taxes
An out-of-state seller is an out-of-state retailer who has...
- About IDOR
To serve Illinois’ taxpayers by administering Illinois tax...
- Tax Forms
The Illinois Department of Revenue serves Illinois’ taxpayers by administering Illinois tax laws and collecting tax revenues in a fair, consistent, and efficient manner and by providing accurate and reliable funding and information in a timely manner.
Individual Income Tax Forms. Note: Illinois estate/inheritance taxes are not administered by the Illinois Department of Revenue. The Illinois estate tax is administered by the Office of the Attorney General .
Depending on circumstances, taxpayers may be able to reduce the amount of taxes owed through tax credits. Some popular tax credits include the Illinois Earned Income Tax Credit (EITC), the Illinois K-12 Education Expense Credit, and the Property Tax Credit.
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