All due dates assume that the date falls on a business day. If the due date falls on a holiday or weekend, the due date will be the next business day.

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April 16, 2018 - April 17, 2018

File Form 1120 or 1120-A and pay any tax due. If you want an automatic 6-month extension of time to file the return, file Form 7004 and deposit what you estimate you owe.


April 16, 2018
April 17, 2018
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