Is K1 Deadline March 15 2024 Or April 15 2024. Another month, another round of aos. The 2021 individual income tax return, form 1040, is due on april 15, 2022.
With an extension, the deadline for filing is september 15. Income tax deadlines partnership returns (form 1065) โ march 15, 2018 c corporation returns (form 1120) โ april 17, 2018 s corporation returns (form 1120s) โ march 15,.