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Important Notices
2025 Illinois Tax Amnesty (October 1, 2025 – November 17, 2025)
Pay outstanding eligible tax liabilities and have eligible penalties and interest forgiven. For more information, visit our webpage, 2025 Illinois Tax Amnesty
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.
Featured Programs
Latest News
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FY 2026-02, Changes to the Motor Fuel Tax
Effective January 1, 2026, Public Act (P.A.)104-0006 amends the definition of “Motor Fuel”, repeals the requirement for a supplier’s license, repeals the definition of “supplier”, makes corresponding changes throughout the Motor Fuel Tax Law, and amends the definition of “distributor” and “receiver” under the Motor Fuel Tax Law.
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IDOR Warns of New Text Scam Soliciting Banking Information
IDOR is warning taxpayers about a new nationwide text message scam targeting individuals with fraudulent messages that appear to come from state revenue or treasury agencies.
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FY 2026-05, Simplified Municipal Telecommunications Tax Rate Changes Effective January 1, 2026
Effective January 1, 2026, the following municipalities are imposing or changing their Simplified Municipal Telecommunications Tax rate.
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FY 2026-04, Energy Assistance Charge Rate Change, Effective January 1, 2026
Effective January 1, 2026, pursuant to Section 13 of the Energy Assistance Act, (305 ILCS 20/13), the rates for the Energy Assistance Charge for utilities and cooperatives that served 100,000 or more Illinois customers on January 1, 2021, are changing.
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You’re invited to a free, 90-minute webinar featuring presentations from the Illinois Department of Revenue’s Collections Bureau, Office of Administrative Hearings, and Board of Appeals.
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Open Meetings: County Official Compensation Task Force
Upcoming County Official Compensation Task Force meeting information
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Local Government Grocery Tax Resource Page
Information and resources regarding the upcoming repeal of the 1% statewide grocery tax.
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2025 Illinois Tax Amnesty Resource Page
Pay outstanding eligible tax liabilities and have related penalties and interest forgiven, provided the taxes are paid in full during the amnesty period.
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FY 2026-01, 2025 Illinois Tax Delinquency Amnesty Act
The Illinois Tax Delinquency Amnesty Act provides the opportunity for taxpayers to pay outstanding eligible tax liabilities and to have eligible penalties and interest forgiven on taxes paid in full during the amnesty period.
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Gov Pritzker & IDOR Remind of Valuable Back-to-School Tax Credits
As students across Illinois return to the classroom, Governor Pritzker and the Illinois Department of Revenue are reminding both parents and educators to take advantage of valuable tax benefits available on their 2025 Illinois individual income tax returns.
Trending Resources
Frequent Questions
- How do I check the status of my individual income tax refund?
- What is an IL-PIN? Do I need it to file or pay individual income taxes using MyTax Illinois?
- How do I get a copy of my tax return?
- What if I live or work in a state that has a reciprocal agreement with Illinois?
- Should I file an income tax return if I live in another state but worked in 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 (Registered Retailers/Resellers)
- 2024 IL-1040, Individual Income Tax Return, Instructions, and Schedules
- Illinois Business Registration
- 2025 Withholding (Payroll) Tax
- RUT-50 Instructions
- RUT-25 Instructions
- Power of Attorney
- ST-1, Sales and Use Tax Return
- STAX-1, Application for Sales Tax Exemption
