— John Richardson – lawyer for "U.S. persons" abroad (@ExpatriationLaw) May 20, 2018
“Understanding U.S. Tax Residency …
The United States uses a form of “deemed tax residency“.
The Internal Revenue of the United States deems that all “individuals” (wherever they live in the world – including citizens and residents of other countries) except “nonresident aliens” are subject to taxation in the United States on their world wide income. One qualifies as a “nonresident alien” unless one is a:
1. A U.S. citizen
2. A U.S. resident as defined by Internal Revenue Code Sec. 7701(b)