When Are Corporate Taxes Due?

Companies have until April 15, 2021 to submit corporate tax returns for income received in 2020. Businesses may use Form 1120 or request a six-month extension by filing Form 7004 and submitting a deposit for the amount of estimated tax owed.

What is the due date for corporate taxes?

Corporate Tax Returns

When the corporation's tax year end is on the last day of a month, the return is due by the last day of the 6th month after the year-end. For example, a December 31, 2020 year end would have a June 30, 2021 due date.

What is the extended due date for C corporations?

C-corporation income tax returns (IRS Form 1120): These were due April 15, 2021, for C-corporations that operate on a calendar year. The extended deadline is October 15, 2021.