Tax Extension Deadline 2024 Irs. April 15 is also the deadline to file a tax extension with the irs. For the first time since 2019, april 15 is tax day — the deadline to file federal income tax returns and extensions to the internal revenue service — for most of.

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. The fourth month after your fiscal year.