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).
Extended Due Dates: (These dates apply for taxable years beginning after Dec. 31, 2015 [2017 filing season â for 2016 tax returns]). 1. Forms 1040, 1065 and 1120S shall be a six-month period beginning on the due date for filing the return.