4.3.1 (a) Residence of IndividualsUnder U.S domestic tax law, all individuals are subject to U.S tax, unless specifically exempted.U.S citizens are subject to U.S. tax on a worldwide...
4.3.2 (a) Article IV(1) ResidencyForeign persons generating income from U.S. sources are potentially subject to one, or both, of two U.S federal taxation regimes dealing...