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Country guide
British Indian Ocean Territory
British Indian Ocean Territory has no native TIN system available for validation. BIOT law prevents income tax, corporation tax, capital gains tax, or substantially similar taxes, and official guidance records no permanent population on the islands.
TIN status
No separate local TIN format is published for validation.
- 1 Ordinarily, the only persons present are military personnel, BIOT Administration public officers, defence support staff, and occasional visiting scientists.
- 2 Bodies corporate or equivalent entities treated as tax-resident elsewhere are not regarded as resident in BIOT.