Irs Extension Deadline 2024 Form.  — for tax year 2023 (filed in 2024), you needed to submit your tax extension request by monday, april 15—the regular tax filing deadline—or face a penalty. Below is a detailed list of every tax deadline in 2024.

 — instead of filing form 4868, you can apply for an automatic extension by making an electronic payment by the due date of your return.  — if you can’t file your federal tax return by the april 18, 2023, deadline, request an extension.