S Corp Filing Deadline 2024 Extension. Analytical cookies help us improve our website by providing insight on how visitors interact with our site, and necessary cookies which the. Filing for an s corp is subject to deadlines that should be taken into consideration.

If your business is an s corporation, you must file the tax return or extension by the 15th day of the 3rd month after your tax year ends. An s corporation can obtain an extension of time to file by filing irs form 7004.