When is the deadline to mail in your 2015 taxes to the IRS

[fcauso]

Can you mail your last years 2015 taxes after tax day or does it have to be before

[JoceannaD]

Do you mean 2016 taxes?

[munchkins-7]

yes

[JoceannaD · Accepted solution]

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