Accounting Articles > Federal Income Tax:

Due dates: Form 1120 and 1120S

The Corporation Income Tax Return is due 75 days after the established year end of the company.

If the company closes its books on December 31st, then the return is due by March 15th. If the company’s year end is July 31st, then the return is due 75 days after that, or no later than October 15th.

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