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Tax residency in United States Minor Outlying Islands
There is no separate individual income tax residency regime for the United States Minor Outlying Islands; individual status is determined solely under U.S. federal income tax law. U.S. citizens and lawful permanent residents are U.S. tax residents regardless of presence on these islands. Noncitizens are U.S. tax residents if they meet the substantial presence test, which requires at least 31 days of presence in the United States in the current year and 183 days during the 3-year period consisting of the current year and the two preceding years, counting all days in the current year, one-third of the days in the first preceding year, and one-sixth of the days in the second preceding year; for this test, “United States” means the 50 states and the District of Columbia, so days in the United States Minor Outlying Islands do not count. Statutory exceptions (including certain visa categories, medical condition, and transit) and the closer connection exception may apply. There is no local day-count, domicile, permanent home, habitual abode, or possession-based bona fide residency test for these islands, and no territorial income exclusion applies. In cases of potential dual residency under a U.S. income tax treaty, tie‑breaker rules (permanent home, center of vital interests, habitual abode, and nationality) apply under the treaty; the islands do not create a separate treaty residency.
This summary is general information, not tax or legal advice. Rules change and individual circumstances vary — confirm with a qualified adviser before making decisions.
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Day-Count Thresholds
Most countries trigger tax residency after a set number of days. Cross the threshold and you may owe local taxes.
Permanent Establishment
Repeated business travel to a country can create a permanent establishment, triggering corporate tax obligations.
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