Business Tax Extension Deadline 2024 S Corp. This year’s deadline for individual filers, sole proprietors, and c corporations falls on april 15, 2024, for most filers (note:. Then you’re gonna be filing your first 1120 s, which is the corporate tax filing for it s corp.

What is the last date to file for an s corp with an extension? An s corporation can obtain an extension of time to file by filing irs form 7004.