Extended Tax Filing Deadline 2024 Olympics. 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 extended deadline can provide an additional six months to file, making the new.

File form 4868 before the tax day if you need more time to file your tax return. If you chose to file an extension request on your tax return, this is the due date for filing your.