When is my Illinois tax return due?

When is my Illinois tax return due?

Home  |  About Us  |  Products  |  Customer Service  |  States  |  Tax Corner

		QUICK LINKS    Your Return   Start a New 2008 Tax Return   Login to My 2008 Tax Return   Correct My Rejected Return   Amend A Tax Return   Prepare a Prior Year Return   Status of My Tax Refund    Form   IRS Tax Forms/Publications   State Tax Forms/Publications    Questions   What is E-File?   IRS FAQ's    More Information   OnLine Taxes State Home Page   OnLine Taxes Guarantee   OnLine Taxes Newsletter   Media Center   Affiliates/Partnerships   Privacy/Security   Site Limitations IBM and e-business Mark are TM's of IBM Corp.
When is my Illinois tax return due? Your Illinois filing period is the same as your federal filing period. We will assume that you are filing your Form IL-1040 for the calendar year unless you indicate a different filing period in the space provided at the top of the return. The due date for calendar year filers is April 15. Back

Home | About Us | Payment Options | Customer Service | States | Get Started | Customer Service Live help