Glossary
Tax treaty
An agreement between two jurisdictions allocating taxing rights and capping certain rates.
Tax term
Most relevant in practice for withholding caps on dividends, interest and royalties. A treaty pair that is not modelled returns unmodelled rather than a default rate, and goes to human review.
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A guide that applies to one country and one tax year says so at the top, and cites the section it relies on. Read one before you decide whether any of this is for you.
Decision support, not tax advice. A professional reviews before anything is filed.