Big oops. What's the tax return filing date fo Zürich canton? What are the penalties/consequences of a late return if the date was March 31st?

this is well covered here peebix! it is end march. look at the latest posts in the tax thread. you can even as for a 3--6 month extension via the web!

Thanks bill_door. What's the official government website to file for an extension? Google isn't pinning it down...

Here you go....

https://e-gov.stzh.ch/efristen/servlet/FSIServlet

what he said! (c;

but its cantonal, not federal!

Is there a separate site for federal extension?

nope. all tax issues related to individuals are dealt with at cantonal level. an extension at cantonal level equates the same extension at federal level. you only make one 'combined' return after all.

that link covers everything.