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Corporation - Illinois Department of Revenue
June 30, we grant you an automatic eight-month extension of time to file your corporate tax return. Note: If you are a cooperative, we grant you an automatic
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Instructions for Form 7004 (Rev. December 2017)
Feb 1, 2018 The automatic extension period for time to file is generally 6 months. Exceptions apply for certain filers of Form 1041 and for C corporations
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September 16 Deadline for Extended Pass-Through Filings
Sep 9, 2024 Pass-through entities such as S corporations and partnerships with a calendar-year-end face an upcoming extended tax filing deadline on September 16, 2024.
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