Irs Corporate Tax Return Due Date 2024. Individual, sole proprietorship, and c corp filing deadline. Here’s what that means for your small business, any other deadlines you should be.

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. There’s no final date for the transmission of electronic 1120 returns.