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2015 Corporate Tax Return Deadline

2015 Corporate Tax Return Deadline

Deadline for corporate tax returns (Forms 1120, 1120A, and 1120S) for the year 2014, or to request automatic 6-month extension of time to file (Form 7004) for corporations who use the calendar year as their tax year. (The normal deadline for corporate returns is March 16th, but this falls on a Sunday so the deadline is pushed to the next business day, which is Monday, March 16th.)

If you requested an extension, your filing deadline will be September 15th. Final deadline to file an amended corporate tax return (Form 1120X) for tax year 2011 and still claim a tax refund. (Refunds expire three years from the original due date of the return.)