Plus Deutsch is German for German, henceforth the explaination on why the Pennsylvania Dutch are called that when they are really German and not Dutch. The Dutch from the Netherlands also got their ethnic name derived from the German term Deutsch as well believe it or not. If you're Dutch, then you are from Denmark.
1 Deadline for filing a 2015 personal, partnership, or calendar year estates/trusts tax returns or extension.  The return or extension must be postmarked or transmitted for e-filing by Monday, April 18, 2016 (April 19 for Maine and Massachusetts residents).
You should efile a federal tax extension for Tax Year 2014 by April 15, 2015, the same day as the deadline to efile a 2014 Tax Return. If you efile a tax extension, your new deadline to efile a 2014 Tax Return will be October 15, 2015.fter October 15, 2015 you can still prepare your tax return on efile.com, but you will need to print and mail it. Tax Tip: If you owe taxes, but you have missed the deadline to efile an extension, you should efile your tax return now to avoid further penalties, fees and interest.