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How do I file a correction for the IL-941 return?

Answer #415 -- ( Published 12/06/2005 02:59 PM | Updated 07/12/2017 10:39 AM )

How do I file a correction for the IL-941 tax return?

You must file Form IL-941-X, Amended Illinois Withholding Income Tax Return, with all required support, if

  • you need to correct amounts you reported on previously filed Forms IL-941 or IL-941-X or
  • you disagree with a change we made on your account or the amount of IDOR-approved credit that was verified for the reporting period.

Do not file Form IL-941-X if you reported the amount you actually withheld, even if you withheld the wrong amount. If you made an error that requires a Form IL-941-X and you made the same reporting error on your return and your employee’s Form W-2 or payee’s Form 1099 or W-2G, you must also provide your employee or payee with a Form W-2c or corrected Form 1099 or W-2G, and attach copies to your Form IL-941-X. We encourage you to use MyTax Illinois to file and submit this form electronically. Form IL-941-X is also available on our website.

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