You may send estimated tax payments with form 1040-es by mail (postmarked by the due date), pay online , by

If you are a US expat working in UAE , you may have a variety of tax concerns. From figuring

All US citizens, US permanent residents (green card holders), and people who meet the substantial presence test for a calendar

There is a lot of miss-information on the subject of the us tax laws regarding us citizens and other us