2011 January 18 - Final 2010 estimated payment   April 18 - Filing date for individuals residing in the US & NRAs with tax withholding - Taxes must be paid for all individuals - First 2011 estimated tax payment due - Possible due date for 4868 or 2350 extension   June 15 - Filing date for individuals overseas & last possible date for NRAs without withholding - Due date for 4868 or 2350 extension for the majority of overseas taxpapers - File for extension until Oct. 15 - Second 2011 estimated tax payment due   June 30 - Deadline for filing the Treasury Department Report of Foreign Bank Accounts (Form TDF-90)   September 15 - Third 2011 estimated tax payment due   October 15 - Filing deadline for previously granted 4868 extension     2012 January 17 - Final 2011 Estimated tax payment due   January 30 - Filing deadline for previously granted 2350 extension   site designed by © 2008