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Important Notices
2025 Illinois Tax Filing Season is Now Open
The Illinois Department of Revenue is now accepting 2024 state individual income tax returns.
Starting this year, eligible taxpayers can use IRS Direct File to submit their federal returns directly, allowing for easy transfer to MyTax Illinois for free state tax return filing.
Have you received a letter or Final Notice of Tax Due assessing an Estimated Payment Penalty?
Learn why you received this letter from IDOR by visiting our webpage Letters and Notices for Individual Income Tax (illinois.gov).
Response Options for Identity Verification Letters
If you received an identity verification letter from the Illinois Department of Revenue, you can respond electronically by selecting the option that matches your letter: enter a code, take a quiz, or attach documents. No MyTax Illinois account is required. For more information, see Identity Verification Letters Information.
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Frequent Questions
- How do I check the status of my individual income tax refund?
- How do I obtain an IL-PIN and do I need it to file?
- When is my tax payment due?
- How can I obtain a copy of my Illinois Form W-2?
- What if I live or work in a state that has a reciprocal agreement with Illinois?
- What are the retailers' occupation and use tax rates in Illinois? Where can I find a list of these rates?
Trending Forms
- CRT-61 - Certificate of Resale
- 2023 IL-1040, Individual Income Tax Return
- REG-1, Illinois Business Registration Application
- RUT-50 Instructions
- IL-W-4, Employee's and other Payee's Illinois Withholding Allowance Certificate and Instructions
- RUT-25 Instructions
- IL-2848, Power of Attorney
- STAX-1, Application for Sales Tax Exemption
