Llc Tax Extension Deadline 2024. In order to ensure compliance with the tax regulations for 2024, it is imperative for limited liability companies (llcs) that have chosen to file as c. In that case, you need to file a 2023 tax return or extension request by april 15, 2024.

Deadline for c corps and s corps filing a tax extension. If you’re a c corporation or llc electing to file your taxes as one for 2023, your corporate tax return is due on april 15th, 2024—unless you use your own fiscal calendar, in which case it’s due on the 15th of the 4th month.