63 | II Série A - Número: 072 | 6 de Fevereiro de 2015

2. There shall also be exempt from the same duties, fees and taxes, with the exception of charges corresponding to the service performed: a) Aircraft stores taken on board in the territory of a Party, within limits fixed by the authorities of that Party, and for use on board outbound aircraft engaged in international air services by the designated airlines of the other Party; b) Spare parts and regular equipment entered into the territory of a Party for the maintenance or repair of aircraft used on international air services by the designated airlines of the other Party; c) Fuel, lubricants and other consumable technical supplies intended to supply outbound aircraft operated on international air services by the designated airlines of the other Party, even when these supplies are to be used on the part of the journey performed over the territory of the Party in which they are taken aboard.

3. All materials referred to in paragraph 2 of this Article may be required to be kept under customs supervision or control.
4. The regular airborne equipment, as well as the materials and supplies retained on board the aircraft of the designated airlines of either Party, may be unloaded in the territory of the other Party only with the approval of the customs authorities of that territory. In such case, they may be placed under the supervision of the said authorities up to such time as they are re-exported or otherwise disposed of in accordance with customs regulations.
5. The exemptions provided for by this Article shall also be available in situations where the designated airlines of either Party have entered into arrangements with another airline or airlines for the loan or transfer in the territory of the other Party of the items specified in paragraphs 1 and 2 of this Article, provided such other airline or airlines similarly enjoy such exemptions from such other Party.
6. Nothing in this Agreement shall prevent the Parties from imposing, on a non-discriminatory basis, taxes, levies, duties, fees or charges on fuel supplied in its territory for use in an aircraft of a designated airline by the other Party that operates, in the case of the Portuguese Republic, between a point in the territory of the Portuguese Republic and another point in such territory or in the territory of another EU Member State; and, in the case of the Republic of Equatorial Guinea that operates, between a point in the territory of the Republic of Equatorial Guinea and another point in such territory.

ARTICLE 7 USER CHARGES

1. Each Party may impose or permit to be imposed just and reasonable charges, based on sound economic principles, for the use of airports, other facilities and air services under its control.
2. Neither Party shall impose or permit to be imposed on the designated airlines of the other Party charges higher than those imposed on its own airlines engaged in similar international services.

ARTICLE 8 TRAFFIC IN DIRECT TRANSIT

Traffic in direct transit across the territory of either Party and not leaving the area of the airport reserved for such purpose shall, except in respect of security measures against the threat of unlawful interference, such as violence and air piracy and occasional measures for the combat of illicit drug traffic, be subject to no more than a simplified control. Baggage and cargo in direct transit shall be exempt from custom duties, charges and other similar taxes.

ARTICLE 9 RECOGNITION OF CERTIFICATES AND LICENCES

1. Certificates of airworthiness, certificates of competency and licences issued, or rendered valid, in accordance with the rules and procedures of one Party, including, in the case of the Portuguese Republic, European Union laws and regulations, and still in force shall be recognised as valid by the other Party for the