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2016 IL-941 Illinois Withholding Income Tax Return

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STOP:

Are you filing the 2015 Form IL-941 that is due January 31, 2016 for withholding made during calendar year 2015 (January 1, 2015 through December 31, 2015)?

If so, click here:

2015 IL-941, Illinois Withholding Income Tax Return

or

Are you filing your 2016 Form IL-941 for withholding made during calendar year 2016 (from January 1, 2016 through December 31, 2016)? If so, click here:

2016 IL-941, Illinois Withholding Income Tax Return