The tax deadline for October is the extension deadline for filing federal income tax returns. Taxpayers who requested an extension of time to file for their 2022 federal income tax return will have until Monday, October 16, 2023, to file

. This is the last chance to avoid a late filing penalty, and the failure-to- file penalty is 5% of unpaid taxes for each month or part of the month until filing, capped at 25%