Skip to main content

Welcome to the Illinois Department of Revenue

Committed to excellence and working together to fund Illinois' future

Important Notices

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.

Latest News

  • Buying a Car Out-of-State?

    News - Wednesday, July 16, 2025

    Here’s What You Need to Know. IDOR is reminding residents that when purchasing a vehicle from another state, sales or use tax is generally due where the vehicle will be registered and used, not necessarily where it was purchased. For the full Press Release,

  • Open Meetings: County Official Compensation Task Force

    News - Tuesday, July 15, 2025

    Upcoming County Official Compensation Task Force meeting information

  • Tax Education Webinar Recordings Now Available!

    News - Thursday, July 03, 2025

    Access the latest Tax Education Webinar recordings online and learn more about IDOR’s Audit Bureau and Informal Conference Board.

  • IDOR Urges Late Tax Filers to Take Prompt Action

    News - Wednesday, July 02, 2025

    The Illinois Department of Revenue (IDOR) is reminding taxpayers who missed the April 15, 2025, income tax filing deadline that it is not too late to file and that prompt action can help minimize penalties and interest if a balance is owed.

  • FY 2025-29, Legislative Income Tax Changes that May Increase Current Tax Year Liabilities

    News - Monday, June 30, 2025

    Public Act 104-0006 made several changes to the Illinois Income Tax Act (IITA) which will affect many taxpayers and may increase current tax year liabilities for certain taxpayers.

  • FY 2025-31, Changes to the Tobacco Products Tax

    News - Friday, June 27, 2025

    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

    News - Thursday, June 26, 2025

    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

    News - Thursday, June 26, 2025

    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

    News - Wednesday, June 18, 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

    News - Tuesday, June 17, 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.

No recent News