Please review the following helpful information regarding 2016 tax year filing; the deadline for filing tax year 2015 has already passed.
Unless otherwise indicated, all deadlines are at 11:59:59 P.M. (one second before midnight) local time.
April 18, 2017 –
- Deadline for filing a 2016 personal, or calendar year estates/trusts tax returns or extension.
- The return or extension must be postmarked or transmitted for e-filing by Tuesday, April 18, 2017
- To avoid late payment penalties and interest, any additional taxes you owe must be paid by this date even if you filed an extension.
- Deadline for filing a C-Corp in a calendar year.
- Due date for first installment of 2017 estimated tax payments.
https://ttlc.intuit.com/replies/3302298
How do I file a prior year tax return?
https://ttlc.intuit.com/replies/3301770
