If you're a U.S. citizen living in a foreign country, it is due June
15.
You may qualify to exclude $70,000 U.S. dollars from your taxable
income.
Visit http://www.taxhelper.com for a free evaluation on your
expatriate tax situation. This is a state of the art fully interactive
sight which gives free information on IRS tax laws for expatriates,
tax extensions (which you can file for free), and methods of
organizing your tax data.