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, click the “Sign up Now!” button, and complete specific information about yourself and your company. After IDOR verifies your submitted information—usually within a minute or two—we will send a message to the email address you provided giving

Should only be used by businesses that are not required to register for sales and use taxes. A taxpayer registered to file Form ST-1 should report any use tax liability on that form rather than Form ST-44.

The primary responsibility of the Department of Revenue is to serve as the tax collection agency for state government and for local governments. The Department regulates the manufacture, distribution, and sale of alcoholic beverages. The Department

- The Illinois Department of Revenue (IDOR) is scheduling a planned maintenance to upgrade the services on the department's website. The maintenance will occur on Friday, October 25, 2019 at 7:00 p.m. through 1:00 a.m. on Saturday, October

through Square in Illinois, you must be registered as an employer with the Illinois Department of Revenue (IDOR) and Department of Employment Security (IDES), and provide us with your Illinois Unemployment Account Number and Unemployment Insurance

Illinois State Tax Refund Status Information