Extended Tax Deadline 2024. Filing an extension on tax day? October 15, 2024 is the extended filing deadline for individual tax returns, sole proprietorships, and c corporations.
This year, the tax day deadline is april 15, 2024 , for most. For tax year 2023 (filed in 2024), you needed to submit your tax extension request by monday, april 15โthe regular tax filing deadlineโor face a penalty.