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Country guide

Antigua and Barbuda

Antigua and Barbuda uses a single Inland Revenue Department-issued numeric TIN for persons and entities that register with the tax authority.

AG ATG 1 TIN type Last reviewed 2026-06-06

TIN types

1 published format. Open a type to see examples, structure details, and official sources.

Validate ATG TIN
Antigua and Barbuda Tax Identification Number (TIN)
Current Individuals Entities

Inland Revenue Department (IRD)

Permanent numeric tax identifier assigned by the Inland Revenue Department to registered persons and entities for tax administration and CRS reporting.

Details
Examples
123456 9876543
Where to find it

On the IRD notice confirming registration and opened accounts, on enterprise reports displaying the taxpayer record, and on tax returns.

Common names
TIN Taxpayer Identification Number
Official source
oecd.org ird.gov.ag