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Article I of the Protocol modifies Article 1 (Personal Scope) of the Convention

U.S. Income Tax Treaty — Technical Explanation for Protocol - 2005 · 2026-10-03 edition · updated 2026-10-04 · United States

with respect to the last sentence of paragraph 4, which permits the United States to tax as U.S. citizens former citizens whose loss of citizenship had as one of its principal purposes the avoidance of tax. To reflect 1996 and 2004 amendments to U.S. tax law in this area, the Protocol provides that, notwithstanding other provisions of the Convention, a former citizen or long-term resident of the United States may, for the period of ten years following the loss of such status, be taxed in accordance with the laws of the United States.

Section 877 of the Internal Revenue Code of 1986 (the “Code”) generally applies to a former citizen or long-term resident of the United States who relinquishes citizenship

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or terminates long-term residency if either of the following criteria exceed established thresholds: (a) the average annual net income tax of such individual for the period of 5 taxable years ending before the date of the loss of status, or (b) the net worth of such individual as of the date of the loss of status. The thresholds are adjusted annually for inflation. The United States defines “long-term resident” as an individual (other than a U.S. citizen) who is a lawful permanent resident of the United States in at least 8 of the prior 15 taxable years. An individual is not treated as a lawful permanent resident for any taxable year if such individual is treated as a resident of a foreign country under the provisions of a tax treaty between the United States and the foreign country and the individual does not waive the benefits of such treaty applicable to residents of the foreign country.

Paragraph b) of Article I of the Protocol also addresses special issues presented by fiscally transparent entities such as partnerships and certain trusts and estates. In general, paragraph b) of Article I relates to entities that are not subject to tax at the entity level, as distinct from entities that are subject to tax, but with respect to which tax may be relieved under an integrated system. This paragraph applies to any resident of a Contracting State who is entitled to income derived through an entity that is treated as fiscally transparent under the laws of either Contracting State. Entities falling under this description in the United States include partnerships, common investment trusts under section 584 and grantor trusts. This paragraph also applies to U.S. limited liability companies (“LLCs”) that are treated as partnerships for U.S. tax purposes.

Under paragraph b) of Article I of the Protocol, an item of income, profit or gain derived by such a fiscally transparent entity will be considered to be derived by a resident of a Contracting State if a resident is treated under the taxation laws of that State as deriving the item of income. For example, if a Swedish company pays interest to an entity that is treated as fiscally transparent for U.S. tax purposes, the interest will be considered derived by a resident of the U.S. only to the extent that the taxation laws of the United States treats one or more U.S. residents (whose status as U.S. residents is determined, for this purpose, under U.S. tax law) as deriving the interest for U.S. tax purposes. In the case of a partnership, the persons who are, under U.S. tax laws, treated as partners of the entity would normally be the persons whom the U.S. tax laws would treat as deriving the interest income through the partnership. Also, it follows that persons whom the United States treats as partners but who are not U.S. residents for U.S. tax purposes may not claim a benefit for the interest paid to the entity under the Convention, because they are not residents of the United States for purposes of claiming this treaty benefit. (If, however, the country in which they are treated as resident for tax purposes, as determined under the laws of that country, has an income tax convention with Sweden, they may be entitled to claim a benefit under that convention.) In contrast, if, for example, an entity is organized under U.S. laws and is classified as a corporation for U.S. tax purposes, interest paid by a Swedish company to the U.S. entity will be considered derived by a resident of the United States since the U.S. corporation is treated under U.S. taxation laws as a resident of the United States and as deriving the income.

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The same result obtains even if the entity were viewed differently under the tax laws of the country of source ( e.g., as not fiscally transparent in Sweden in the first example above where the entity is treated as a partnership for U.S. tax purposes). Similarly, the characterization of the entity in a third country is also irrelevant, even if the entity is organized in that third country. The results follow regardless of whether the entity is disregarded as a separate entity under the laws of one jurisdiction but not the other, such as a single owner entity that is viewed as a branch for U.S. tax purposes and as a corporation for Swedish tax purposes. These results also obtain regardless of where the entity is organized ( i.e., in the United States, in Sweden, or, as noted above, in a third country).

For example, income from U.S. sources received by an entity organized under the laws of the United States, which is treated for Swedish tax purposes as a corporation and is owned by a Swedish shareholder who is a Swedish resident for Swedish tax purposes, is not considered derived by the shareholder of that corporation even if, under the tax laws of the United States, the entity is treated as fiscally transparent. Rather, for purposes of the treaty, the income is treated as derived by the U.S. entity.

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