Important Notices
Illinois e-Services File & Payment Acknowledgement Delay
Due to maintenance, file and payment acknowledgments in Illinois e-Services may be delayed from 5 PM on Friday, June 27, through 8 AM on Monday, June 30. Files uploaded and payments made during this time will still be valid and timestamped. Acknowledgments will resume on Monday, June 30.
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
-
FY 2025-31, Changes to the Tobacco Products Tax
Public Act (P.A.)104-0006 makes several changes for Tobacco Products. On July 1, 2025: * a uniform tax rate is established for tobacco products sold or otherwise disposed of to retailers or consumers located in Illinois. Moist snuff will no longer be taxed based on weight; * the tax rate of the wholesale price of tobacco products sold or otherwise disposed of to retailers or consumers located in Illinois increases; and * the tobacco products definition is updated to include new products with certain exceptions. Effective January 1, 2026: * the electronic filing exception is eliminated, requiring all returns to be electronically filed.
-
FY 2025-30, Changes Related to Motor Vehicle Transactions for Automobile Dealers
Public Act (P.A.) 104-0006 amends the Retailers’ Occupation Tax Act, the Use Tax Act, the Service Occupation Tax Act, the Service Use Tax Act, and the Illinois Vehicle Code to: • add a presumption that the nonresident purchaser (drive-away permit) exemption claimed on Forms ST-556 and ST-556-LSE does not apply to transactions where the purchaser is a limited liability company (LLC), and a member of the LLC is a resident of Illinois (effective June 16, 2025); • provide that motor vehicles purchased for resale from private parties (non-retailers) by retailers registered under Section 2a of the Retailers’ Occupation Tax Act are exempt from the Private Party Vehicle Use Tax (effective June 16, 2025); and • change the rolling stock exemption for limousines to exclude vehicles subject to the provisions of the Transportation Network Providers Act (effective July 1, 2025).
-
FY 2025-28, Hotel Operators’ Occupation Tax Updates for Hosting Platforms for Short-Term Rentals
Beginning July 1, 2025, hosting platforms for short-term rentals that meet the definition of “re-renter” are subject to Hotel Operators’ Occupation Tax. See 35 ILCS 145/2 as amended by Public Act 104-0006.
-
FY 2025-27, Tobacco Retailer License Fee Increases, Effective July 1, 2025
Effective July 1, 2025, Public Act (P.A.) 104-0006 increases the annual Tobacco Retailer License fee for retailers of tobacco products.
-
FY 2025-26, Telecommunications Excise Tax Rate Change, Effective July 1, 2025
Effective July 1, 2025, the state Telecommunications Excise Tax rate increases from 7 percent to 8.65 percent. The increase is designated to support the state 9-8-8 Suicide and Crisis Lifeline. See 35 ILCS 630/3(c) and 4(c), as amended by P.A. 104-0006.
-
Open Meetings: County Official Compensation Task Force
Upcoming County Official Compensation Task Force meeting information
-
IDOR Tax Education Webinar Series - Audit & Informal Conference Board Updates
Please join us for our Tax Education Webinar - Audit and Informal Conference Board Updates on Friday, June 27, 2025 at 9:00 a.m. to 10:30 a.m.
-
IDOR Offers Guidance on Amending State Tax Returns
The Illinois Department of Revenue (IDOR) is reminding taxpayers that if they discover an error on a previously filed state income tax return—such as a miscalculation, a missed deduction, or unreported income—they are required to file an amended return to correct the mistake.
-
2024 Cook County Final Multiplier Announced
A final 2024 property tax equalization factor of 3.0355 for Cook County was announced today by the Illinois Department of Revenue.
-
FY 2025-25, Sales Tax Rate Change Summary, Effective July 1, 2025
This informational bulletin provides information on certain taxing jurisdictions have imposed a local sales tax or changed their local sales tax rate on general merchandise sales.
Trending Resources
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 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