|Estimate: 3rd Quarter, 2017||Fri, Sep 15, 2017|
|Prior Year Annual Tax Return with Extension (FYE: Dec, 2016)||Fri, Sep 15, 2017|
|Estimate: 4th Quarter, 2017||Fri, Dec 15, 2017|
|Annual Tax Return: Fiscal Year ending Dec, 2017||Thu, Mar 15, 2018|
The due date(s) shown above apply to your Federal tax filings. Most states follow the federal due dates, however, you should check with your state's tax department to be sure.