Deadline for Extended Individual and C Corporation Returns

  • October 15, 2026
  • 11:59 PM
  • Ozfield Office
  • (773) 536-9272

Extended Individual and C Corporation Deadline

Form 1040 and Form 1120 on a timely extension are due October 15, 2026.

If a business or individual fails to file these forms on time, they may be subject to penalties. The penalties for late filing can vary depending on the severity of the violation and the length of time the form was overdue. Please send us the info prior to the deadline.

  • 9:00 AM — 5:00 PM
    Ozfield Office
    Last Day to File Extended 1040 and 1120
    If a business or individual fails to file these forms on time, they may be subject to penalties. The penalties for late filing can vary depending on the severity of the violation and the length of time the form was overdue. Please send us the info prior to the deadline.
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2026-10-152026-10-15America/Chicago Deadline for Extended Individual and C Corporation Returns Don't Miss the Deadline! Form 1040 and Form 1120 on a timely extension are due October 15, 2026. Ozfield Office
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