Article 25 (Mutual Agreement Procedure).
U.S. Income Tax Treaty — Denmark Technical Explanation - 2000 · 2026-10-03 edition · updated 2026-10-04 · United States
The term "company" is defined in subparagraph 1(b) as a body corporate or an entity treated as a body corporate for tax purposes according to the laws of the state where it is organized.
The terms "enterprise of a Contracting State" and "enterprise of Denmark" are defined in subparagraph 1(c) as an enterprise carried on by a resident of a Contracting State and an enterprise carried on by a resident of Denmark. The term "enterprise" is not defined in the Convention, nor is it defined in the OECD Model or its Commentaries. Despite the absence of a clear, generally accepted meaning for the term "enterprise," the term is understood to refer to any activity or set of activities that constitute a trade or business.
Like the U.S. Model, subparagraph 1(c) also provides that these terms also encompass an enterprise conducted through an entity (such as a partnership) that is treated as fiscally transparent in the Contracting State where the entity’s owner is resident. This phrase has been included in the Convention in order to address more explicitly some of the problems presented by fiscally transparent entities. In accordance with Article 4 (Residence), entities that are fiscally transparent in the country in which their owners are resident are not considered to be residents of a Contracting State (although income derived by such entities may be taxed as the income of a resident, if taxed in the hands of resident partners or other owners). Given the approach taken in Article 4, an enterprise conducted by such an entity arguably could not qualify as an enterprise of a Contracting State under the OECD Model because the OECD definition of enterprise requires that the enterprise be conducted by a resident, although most countries would attribute the enterprise to the owners of the entity in such circumstances. The definition in the Convention is intended to make clear that an enterprise conducted by such an entity will be treated as carried on by a resident of a Contracting State to the extent its partners or other owners are residents. This approach is consistent with the Code, which under section 875 attributes a trade or business conducted by a partnership to its partners and a trade or business conducted by an estate or trust to its beneficiaries.
An enterprise of a Contracting State need not be carried on in that State. It may be carried on in the other Contracting State or in a third state (e.g., a U.S. corporation doing all of its business in Denmark would still be a U.S. enterprise).
Subparagraph 1(d) defines the term "international traffic." The term generally means any transport by a ship or aircraft except when transport is solely between places within a Contracting State. This definition is applicable principally in the context of Article 8 (Shipping and Air Transport). The definition in the OECD Model refers to the operator of the ship or aircraft having its place of effective management in a Contracting State (i.e., being a resident of that State). The present Convention does not include this limitation. The broader definition combines with paragraphs 2 and 3 of Article 8 to exempt from tax by the source State income from the rental of ships, aircraft or containers that is earned both by lessors that are operators of ships and aircraft and by those lessors that are not (e.g., banks or container leasing companies).
The exclusion from international traffic of transport solely between places within one of
the Contracting States means, for example, that carriage of goods or passengers solely between New York and Chicago would not be treated as international traffic, even if carried by a Danish carrier. The substantive taxing rules of the Convention relating to the taxation of income from transport, principally Article 8 (Shipping and Air Transport), therefore, would not apply to income from such carriage. Thus, if the carrier engaged in internal U.S. traffic were a resident of Denmark (assuming that were possible under U.S. law), the United States would not be required to exempt the income from that transport under Article 8. The income would, however, be treated as business profits under Article 7 (Business Profits), and therefore would be taxable in the United States only if attributable to a U.S. permanent establishment of the foreign carrier, and then only on a net basis. The gross basis U.S. tax imposed by section 887 would never apply under the circumstances described.
If, however, goods or passengers are carried by a carrier resident in Denmark from a nonU.S. port to, for example, New York, and some of the goods or passengers continue on to Chicago, the entire transport would be international traffic. This would be true if the international carrier transferred the goods at the U.S. port of entry from a ship to a land vehicle, or even if the overland portion of the trip in the United States was handled by an independent carrier under contract with the original international carrier, so long as both parts of the trip were reflected in original bills of lading. For this reason, the Convention, like the U.S. Model, refers, in the definition of "international traffic," to "such transport" being solely between places in that State, while the OECD Model refers to the ship or aircraft being operated solely between such places. The Convention definition is intended to make clear that, as in the above example, even if the goods are carried on a different aircraft for the internal portion of the international voyage than is used for the overseas portion of the trip, the definition applies to that internal portion as well as the external portion.
Finally, a “cruise to nowhere,” i.e., a cruise beginning and ending in a port in the same Contracting State with no stops in a foreign port, would not constitute international traffic.
Subparagraphs 1(e)(i) and (ii) define the term "competent authority" for the United States and Denmark, respectively. The U.S. competent authority is the Secretary of the Treasury or his delegate. The Secretary of the Treasury has delegated the competent authority function to the Commissioner of Internal Revenue, who in turn has delegated the authority to the Assistant Commissioner (International). With respect to interpretative issues, the Assistant Commissioner acts with the concurrence of the Associate Chief Counsel (International) of the Internal Revenue Service. The Danish competent authority is the Minister for Taxation or his authorized representative.
The term "United States" is defined in subparagraph 1(f) to mean the United States of America, including the states, the District of Columbia and the territorial sea of the United States. The term does not include Puerto Rico, the Virgin Islands, Guam or any other U.S. possession or territory. This Convention explicitly includes certain areas under the sea within the definition of the United States. For certain purposes, the definition is extended to include the seabed and subsoil of undersea areas adjacent to the territorial sea of the United States. This extension applies to the extent that the United States exercises sovereignty in accordance with international law for the purpose of natural resource exploration and exploitation of such areas. This extension of the
definition applies, however, only if the person, property or activity to which the Convention is being applied is connected with such natural resource exploration or exploitation. Thus, it would not include any activity involving the sea floor of an area over which the United States exercised sovereignty for natural resource purposes if that activity was unrelated to the exploration and exploitation of natural resources.
The term “Denmark” is defined in subparagraph 1(g). It means the Kingdom of Denmark, including any area outside the territorial sea of Denmark which in accordance with international law has been or may hereafter be designated under Danish laws as an area within which Denmark may exercise sovereign rights with respect to the exploration and exploitation of the natural resources of the sea-bed or its subsoil and the superjacent waters and with respect to other activities for the exploration and economic exploitation of the area.
Thus, the Convention defines each of the countries as including its continental shelf. At the time the prior Convention was negotiated, the concept of the “continental shelf” as included within the definition of a country was just emerging. Denmark did not claim rights over its continental shelf until 1963; in the United States, a similar situation pertained. However, over the past three decades each country has imposed taxes on oil and gas exploration and exploitation activities on its continental shelf. The Convention simply clarifies the practice of both parties under the present treaty in terms consistent with modern international law and with the domestic laws of both countries.
The term “Denmark” does not comprise the Faroe Islands or Greenland. Paragraph 2 of the Protocol provides that the Convention may be extended to any territory or U.S. possession which imposes taxes substantially similar to those covered by the Convention. Such an extension would require the conclusion of a supplementary Convention which would be subject to ratification in the case of the United States, and approval in accordance with Denmark’s constitutional procedures.
The term "national," as it relates to the United States and Denmark, is defined in subparagraphs 1(h)(i) and (ii), respectively. This term is relevant for purposes of Articles 19 (Government Service) and 24 (Non-Discrimination). A national of one of the Contracting States is
(1) an individual who is a citizen or national of that State, and (2) any legal person, partnership or association deriving its status as such from the law in force in the State where it is established.
This definition is closely analogous to that found in the OECD Model.
The term "qualified governmental entity" is defined in subparagraph 1(i). This definition is relevant for purposes of Articles 4 (Residence) and 10 (Dividends). The term means:
(i) the Government of a Contracting State or of a political subdivision or local authority of the Contracting State;
(ii) A person wholly owned by a governmental entity described in subparagraph (i), that satisfies certain organizational and funding standards; and
(iii) a pension fund that meets the standards of subparagraphs (i) and (ii)
and that provides government service pension benefits, described in Article 19 (Government Service).
A qualified governmental entity described in subparagraphs (ii) and (iii) may not engage in any commercial activity.
Paragraph 2 provides that in the application of the Convention, any term used but not defined in the Convention will have the meaning that it has under the law of the Contracting State whose tax is being applied, unless the context requires otherwise. The paragraph makes clear that if the term is defined under both the tax and non-tax laws of a Contracting State, the definition in the tax law will take precedence over the definition in the non-tax laws. Finally, there also may be cases where the tax laws of a State contain multiple definitions of the same term. In such a case, the definition used for purposes of the particular provision at issue, if any, should be used.
If the meaning of a term cannot be readily determined under the law of a Contracting State, or if there is a conflict in meaning under the laws of the two States that creates difficulties in the application of the Convention, the competent authorities, as indicated in Article 25 (Mutual Agreement Procedure), may establish a common meaning in order to prevent double taxation or to further any other purpose of the Convention. This common meaning need not conform to the meaning of the term under the laws of either Contracting State.
The language of paragraph 2 makes clear that the reference to the internal law of a Contracting State means the law in effect at the time the Convention is being applied, not the law as in effect at the time the Convention was signed. The use of “ambulatory” definitions, however, may lead to results that are at variance with the intentions of the negotiators and of the Contracting States when the Convention was negotiated and ratified. The reference in both paragraphs 1 and 2 to the caveat “unless the context otherwise requires” a definition different from the treaty definition, in paragraph 1, or from the internal law definition of the Contracting State whose tax is being imposed, under paragraph 2, refers to a circumstance where the result intended by the negotiators or by the Contracting States is different from the result that would obtain under either the paragraph 1 definition or the statutory definition. Thus, flexibility in defining terms is necessary and permitted.
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