Deanne Celestine

Irs Extension Filing Deadline 2024. If you did so, you’ll. 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.

It’s better to formally request an extension than to simply let the deadline go by. Most taxpayers who requested an extension of time to file their 2023 tax return must file by tuesday, oct.