Tax Deadline 2024 Extended Or Not. 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. October 15, 2024 is the extended filing deadline for individual tax returns, sole proprietorships, and c corporations.

The irs urges people to file electronically and provides resources for tax account information, payment options and. Money you owed was due on april 15 and you may have a penalty if you did not pay enough by that deadline.