1120 Due Date 2025

1120 Due Date 2025. If the due date falls on a sunday, the deposit is due on the following. Under the special september deposit rules, if the due date falls on a saturday, the deposit is due on the preceding friday.

Staying on top of tax deadlines is vital for success in 2025. The standard due date for filing form irs 1120 is the 15th day of the fourth month following the end of the corporation’s tax year.