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).
A California tax extension moves the filing deadline to October 15 (for calendar year taxpayers). A tax extension does not give you more time to pay your state tax balance. If the partnership owes tax to the State of California, it is still due by the original deadline (April 15).