Chapter III · Taxation of income

Article 8 Shipping and air transport

Artigo 8.º · Navegação marítima e aérea

Convenção Portugal–Suíça · signed 26 September 1974 · in force 17 December 1975 · English: our translation

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1. Profits derived by an enterprise of a Contracting State from the operation of ships or aircraft in international traffic shall be taxable only in that Contracting State.

1. Os lucros que uma empresa de um Estado Contratante aufira da exploração de navios ou aeronaves no tráfego internacional só podem ser tributados neste Estado Contratante.

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The provisions of paragraph 1 shall likewise apply to profits of an enterprise of a Contracting State from participation in a pool, a joint business or an international operating agency.

O disposto no n.º 1 é aplicável igualmente aos lucros de uma empresa de um Estado Contratante obtidos através da participação num pool, numa exploração em comum ou num organismo internacional de exploração.

What we checked in this article

1974 text, not amended. Unlike the OECD Model, profits are taxable in the State of the enterprise (not of the place of effective management), defined via Art. 3(1)(g).

Paying or receiving income between Portugal and Switzerland? Article 8 may decide where it is taxed.

We apply tax treaties to dividends, interest, royalties, salaries and gains, prepare the relief-at-source form and refund claims, and check structures against the treaty’s anti-abuse rules. A written answer and a fixed quote within one working day.

Unofficial English translation prepared by BCA Portugal for reference. The Convention was done in Portuguese and French and only those texts are authentic. The Portuguese text is reproduced from the official publication. Editorial notes are ours and are not part of the Convention.

Applying the law

Treaty relief between Portugal and Switzerland, claimed correctly

Treaty rates are not automatic in Portugal: the recipient must give the payer a form certified by its own tax authority before the tax is due, or claim a refund afterwards. We check which article applies, the rate and the paperwork.

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