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IDOR News & Updates - January 26, 2026
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2026 Tax Filing Season Begins Today for Individuals - Forms Now Available
The Illinois Department of Revenue (IDOR) will begin accepting 2026 individual income tax returns today Monday, January 26, the same day the IRS opens the federal filing season. The deadline to file Illinois returns is Wednesday, April 15, 2026.
File Early and Electronically
IDOR encourages taxpayers to file electronically and choose direct deposit for faster, more secure refunds. To help ensure a smooth process:
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Gather all income documents before filing, such as W-2s and 1099s
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File online for greater accuracy and convenience
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Review your information carefully to avoid errors
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Submit your return early to prevent delays and speed up processing
Why e-file?
- Last year, 91.3% of returns were filed electronically
- Accurate e-filed returns with direct deposit typically result in refunds within about four weeks
Free Filing with MyTax Illinois
MyTax Illinois is IDOR’s free online filing system that makes filing simple and accurate. With or without an account, taxpayers can:
Visit MyTax Illinois to get started.
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2026 Tax Forms Now Available
Don’t Miss Out on Tax Credits
Review your eligibility for credits that can reduce your tax bill or increase your refund, including:
Taking time to review the credits you qualify for can make a real difference.
Important USPS Postmark Changes
The USPS now uses the date of first automated processing as the postmark, not the drop-off date. If mailing your return or payment:
- Send it early
- Request a manual postmark at the post office
Need Help?
- Call 1-800-732-8866 or 217-782-3336 for assistance
- Free language support available for Limited English Proficiency (LEP) individuals
For the latest forms, schedules, and instructions, visit tax.illinois.gov.
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