If You File An Extension When Are Taxes Due. Taxpayers who can’t file by the deadline of april 15, 2024, should request an extension before that deadline. If you requested an extension before april 15, 2024, you have extra time to file your.

Also, if you pay at least 90% of your tax due by april 15 and the remainder with. Taxpayers who can’t file by the deadline of april 15, 2024, should request an extension before that deadline.