SPRINGFIELD – The Illinois Department of Revenue announced that corporations filing for the tax year ending on December 31, 2021, will have one extra month beyond the extended federal filing deadline to file their Illinois corporate income tax returns. The due date, originally October 17th is now November 15, 2022. Every corporation subject to income tax must file an income tax return. Historically, returns are generally due on or before April 15 of the following year for a calendar-year corporation, or the 15th day of the fourth month following the close of the tax year for a fiscal-year corporation.
“A change in 2016 to the federal due date for non-June 30 fiscal year filers resulted in the federal and state automatic extensions coinciding,” Illinois Department of Revenue Director David Harris explained. “This year, we have extended the due date for corporate income tax returns, as we await permanent action later this month by the Joint Committee on Administrative Rules (JCAR), a bipartisan legislative oversight committee.”
A proposed amendment before JCAR (86 Ill. Admin. Code 100.5020) will permanently extend the automatic extension deadline for all corporations filing Form IL-1120 to one month after the federal extended due dates for filing Form 1120 with the Internal Revenue Service. If adopted, this amendment will be retroactive to returns for tax year ending December 31, 2021, moving the extended due date to November 15, 2022.
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