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What is the due date of the IL-1041?

Answer #63 -- ( Published 08/04/2005 10:35 AM | Updated 07/12/2017 10:38 AM )

What is the due date of the IL-1041?

In general, Form IL-1041, Fiduciary Income and Replacement Tax Return, is due on or before the 15th day of the 4th month following the close of the taxable year. We grant you an automatic six-month extension of time to file your fiduciary tax return. You are not required to file Form IL-505-B, Automatic Extension Payment, in order to obtain this automatic extension. However, if you expect tax to be due, you must use Form IL-505-B to pay any tentative tax due in order to avoid interest and penalty on tax not paid by the original due date of the return. An extension of time to file your Form IL-1041 does not extend the amount of time you have to pay your Illinois tax liability, or the pass-through withholding payments you are required to make on behalf of your beneficiaries.

You are required to report and pay pass-through withholding on behalf of your nonresident beneficiaries if they have not provided Form IL-1000-E, Certificate of Exemption for Pass-through Withholding Payments, to you. For tax years ending:

  • On or after December 31, 2014, you must file Schedule D, Beneficiary Information, and your own Form IL-1041,by the 15th day of the 4th month following the close of the tax year. The automatic six-month extension of time to file applies to this filing. An extension of time to file does not extend the amount of time you have to pay this liability.
  • Before December 31, 2014, you must file Form IL-1000, Pass-through Entity Payment Income Tax Return, by the 15th day of the 4th month following the close of the tax year. The automatic six-month extension of time to file does not apply to Form IL-1000 filers.
    Note: Prior year forms and instructions can be found by clicking the "Prior Years" link on our Business Tax Forms page and selecting the corresponding year.

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