What is a specified individual as it relates to FATCA?

A specified individual is:

• A U.S. citizen
• A resident alien of the United States for any part of the tax year (see Pub. 519 for more information)
• A nonresident alien who makes an election to be treated as a resident alien by filing a joint income tax return

A nonresident alien who is a bona fide resident of American Samoa or Puerto Rico (See Pub. 570 for definition of a bona fide resident)