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What is MyTax Illinois and how do I access it?

MyTax Illinois, available at, is a free online account management program that offered by the state of Illinois to provide a centralized location for users to file returns, renew licenses, register for accounts, make payments, review correspondence, and generally manage their accounts. MyTax Illinois is utilized by the Illinois Department of Revenue (IDOR), the Illinois Department of Employment Security (IDES), and the Illinois Liquor Control Commission (ILCC). A user must create a logon to access most MyTax Illinois features, but some functions are available without creating a logon. 


Individuals: Most users of MyTax Illinois are individuals filing returns and making payments for Illinois Individual Income Tax. The option to file an Illinois individual income tax return without a MyTax account is improved and now available for taxpayers who file a simple return. 

Businesses: To be able to create a logon for MyTax Illinois, a business must already have been registered with one of the Illinois state agencies listed above. If you need to register your business, you can do so using MyTax Illinois by selecting “Register a New Business (Form REG-1)” in the Register panel on the MyTax Illinois homepage and complete Form REG-1, Illinois Business Registration Application. You can then select “Sign Up” on the MyTax Illinois homepage to create your logon. Contact our Central Registration Division at 217 785-3707 for information or assistance with registering your business.


MyTax Illinois also contains other features that can be used without creating an account, such as looking up tax rates. For lists of these features, go to and use the “Individuals” or “Searches” panel. For more information about MyTax Illinois, see the MyTax Illinois Help Guide.


If you have additional inquiries, you may submit them to the Questions, Comments, or Request form.