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Do I need to file my IL-1120 if it shows a net loss?

Answer #87 -- ( Published 08/04/2005 02:45 PM | Updated 02/21/2018 11:59 AM )

Do I need to file my IL-1120 if it shows a net loss?

If you are required to file an Illinois return (see “Who must file Form IL-1120?”), the return must be filed in a timely manner, regardless of net income or loss. If the loss return calculates an overpayment for which you expect to receive a refund or request a credit carry forward, you must file the loss return within 3 years of the extended due date of the loss return to receive a refund or credit carry forward.

EXAMPLE: You claim a Net Loss Deduction on your December 2017 Form IL-1120. The loss you are claiming is from your December 2010 reporting period; however, you did not file your December 2010 Form IL-1120 until March 2017. Your December 2010 Form IL-1120 calculates a net loss and claims an overpayment from your December 2009 reporting period which you request as a refund. The loss generated on your December 2010 return is available to be claimed on your December 2017 Form IL-1120; however, the refund claimed, due to the overpayment from the December 2009 reporting period, is unavailable to be refunded or applied toward a subsequent reporting period because your December 2010 reporting period was filed more than three years from the extended due date of the original return.

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