Can I apply for a 6-month extension on my federal return if I live outside the US? How?

Extensions for Individuals If you are not able to file your federal individual income tax return by the due date, you may be able to get an automatic 6-month extension of time to file. To do so, you must file Form 4868, Application for Automatic Extension of Time To File U.S. Individual Income Tax Return by the due date for filing your calendar year return (usually April 15) or fiscal year return. Additional extension of time for taxpayers out of the country. In addition to the 6-month extension, taxpayers who are out of the country can request a discretionary 2-month additional extension of time to file their returns (to December 15 for calendar year taxpayers). To request this extension, you must send the Internal Revenue Service a letter explaining the reasons why you need the additional 2 months. Send the letter by the extended due date (October 15 for calendar year taxpayers) to the following address: Department of the Treasury Internal Revenue Service Center Austin, TX 73301-0045