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Illinois Tax Help 1 800 732-8866 1 217 782-3336 Hearing Impaired: TDD 1 800 544-5304 Business Hotline: 1 217 524-4772 Illinois State Tax mailing addresses

Illinois Department of Revenue - Downloadable forms, instructions, how to's information, and resources.

Illinois Individuals Index - Forms and instructions on direct deposit of refunds and filing electronically.

Illinois Forms Index - Downloadable PDF forms for individual IL-1040 and business taxes, business registration forms, tax exempt, withholding and other Ilinois state tax related forms.

Ilinois Electronic Filing - Information for tax professionals with the application to file Illinois income tax returns electronically, individual income tax electronic filing declaration, fill-in forms, instructions.

Illinois Publications Index - Tax publications, taxpayer guides, annual reports, reference manuals and statistics.

Running late? Illinois Tax Extension Forms

...also be sure to file your Federal tax extension form.

Where to mail FEDERAL IRS tax forms within Illinois:

Other useful Web links to IL taxpayers associations, CPA groups,
business organizations or general U.S. state tax how to's & information :

Moving to Illinois - Cost of Living, Taxes, Jobs, Schools

Taxpayers Federation of Ilinois

Family Taxpayers Network

Chicago Department of Revenue

Related Tax How To's :

IRS Tax News & Updates