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UNITED STATES MODEL TECHNICAL EXPLANATION ACCOMPANYING THE UNITED STATES MODEL INCOME TAX CONVENTION OF NOVEMBER 15, 2006

Article 21 also applies to items of income that are not dealt with in the other articles

U.S. Income Tax Treaty — Technical Explanation -2006 · 2026-10-03 edition · updated 2026-10-04 · United States

because of their source or some other characteristic. For example, Article 11 (Interest) addresses only the taxation of interest arising in a Contracting State. Interest arising in a third State that is not attributable to a permanent establishment, therefore, is subject to Article 21.

Distributions from partnerships are not generally dealt with under Article 21 because partnership distributions generally do not constitute income. Under the Code, partners include in income their distributive share of partnership income annually, and partnership distributions themselves generally do not give rise to income. This would also be the case under U.S. law with respect to distributions from trusts. Trust income and distributions that, under the Code, have the character of the associated distributable net income would generally be covered by another article of the Convention. See Code section 641 et seq.

Paragraph 1

The general rule of Article 21 is contained in paragraph 1. Items of income not dealt with in other articles and beneficially owned by a resident of a Contracting State will be taxable only in the State of residence. This exclusive right of taxation applies whether or not the residence State exercises its right to tax the income covered by the Article.

The reference in this paragraph to "items of income beneficially owned by a resident of a Contracting State" rather than simply "items of income of a resident of a Contracting State," as in the OECD Model, is intended merely to make explicit the implicit understanding in other treaties that the exclusive residence taxation provided by paragraph 1 applies only when a resident of a Contracting State is the beneficial owner of the income. Thus, source taxation of income not dealt with in other articles of the Convention is not limited by paragraph 1 if it is nominally paid to a resident of the other Contracting State, but is beneficially owned by a resident of a third State. However, income received by a nominee on behalf of a resident of that other State would be entitled to benefits.

The term "beneficially owned" is not defined in the Convention, and is, therefore, defined as under the internal law of the country imposing tax ( i.e., the source country). The person who beneficially owns the income for purposes of Article 21 is the person to which the income is attributable for tax purposes under the laws of the source State.

2006 U.S. Model Technical Explanation

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Paragraph 2

This paragraph provides an exception to the general rule of paragraph 1 for income that is attributable to a permanent establishment maintained in a Contracting State by a resident of the other Contracting State. The taxation of such income is governed by the provisions of Article 7 (Business Profits). Therefore, income arising outside the United States that is attributable to a permanent establishment maintained in the United States by a resident of the other Contracting State generally would be taxable by the United States under the provisions of Article 7. This would be true even if the income is sourced in a third State.

Relationship to Other Articles

This Article is subject to the saving clause of paragraph 4 of Article 1 (General Scope). Thus, the United States may tax the income of a resident of the other Contracting State that is not dealt with elsewhere in the Convention, if that resident is a citizen of the United States. The Article is also subject to the provisions of Article 22 (Limitation on Benefits). Thus, if a resident of the other Contracting State earns income that falls within the scope of paragraph 1 of Article 21, but that is taxable by the United States under U.S. law, the income would be exempt from U.S. tax under the provisions of Article 21 only if the resident satisfies one of the tests of Article 22 for entitlement to benefits.

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