Corporate Tax Filing Deadline 2024 Extension 2024. The due date for filing your tax return is typically april 15 if you’re a calendar year filer. Fiscal year corporate taxpayers must file their tax returns by the 15th day of the fourth month following the end of their tax year.
You have right up until tax day to file for an extension. This extension grants an additional six months to file the federal tax return, moving the deadline to either september 16, 2024 or october 15, 2024, for the 2023.