49 | II Série A - Número: 146S1 | 21 de Março de 2012

tion of the seabed and subsoil and their natural resources situated in that other State shall, subject to paragraphs 3 and 4 of this Article, be deemed in relation to those activities to be carrying on business in that other State through a permanent establishment or fixed base situated therein.

3. The provisions of paragraph 2 and sub-paragraph b) of paragraph 5 shall not apply where the activities are carried on for a period not exceeding 30 days in the aggregate in any twelve months period commencing or ending in the fiscal year concerned. However, for the purposes of this paragraph:

a) Where an enterprise of a Contracting State carrying on offshore & onshore activities in the other Contracting State is associated with another enterprise carrying on substantially similar offshore & onshore activities there, the former enterprise shall be deemed to be carrying on all such activities of the latter enterprise, with the exception of activities which are carried on at the same time as its own activities; b) An enterprise shall be regarded as associated with another enterprise if one participates directly or indirectly in the management, control or capital of the other or if the same person or persons participate directly or indirectly in the management, control or capital of both enterprises.

4. a) Subject to sub-paragraph b) of this paragraph, salaries, wages and similar remuneration derived by a resident of a Contracting State in respect of an employment connected with the exploration or exploitation of the seabed and subsoil and their natural resources situated in the other Contracting State may, to the extent that the duties are performed offshore in that other State, be taxed in that other State. However, such remuneration shall be taxable only in the first-mentioned State if the employment is carried on offshore for an employer who is not a resident of the other State and for a period or periods not exceeding in the aggregate 30 days in any twelve-month period.

b) Salaries, wages and similar remuneration derived by a resident of a Contracting State in respect of an employment exercised aboard a ship or aircraft engaged in the transportation of supplies or personnel to a location, or between locations, where activities connected with the exploration or exploitation of the seabed and subsoil and their natural resources are being carried on in the other Contracting State, or in respect of an employment exercised aboard tugboats or other vessels operated auxiliary to such activities, may be taxed in the Contracting State of which the enterprise carrying on such activities is a resident.

5. Gains derived by a resident of a Contracting State from the alienation of:

a) Exploration or exploitation rights; or

b) Property situated in the other Contracting State and used in connection with the exploration or exploitation of the seabed and subsoil and their natural resources situated in that other State; or