Artikel 6

1). Aircraft operated on international air services by the designated airline of either Contracting Party, as well as their regular equipment, supplies of fuel and lubricants, and aircraft stores (including food, beverages and tobacco) on board such aircraft shall be exempt from all customs duties, inspection fees and other similar charges on arriving in the territory of the other Contracting Party, provided such equipment and supplies remain on board the aircraft up to such time as they are re-exported or are used on the part of the journey performed over that territory.
2). There shall also be exempt from the same duties, fees and charges, with the exception of charges corresponding to the service performed:
(a) aircraft stores taken on board in the territory of a Contracting Party, within limits fixed by the Customs authorities of the said territory and for use on board outbound aircraft engaged on an international air service by the designated airline of the other Contracting Party;
(b) spare parts and regular airborne equipment introduced into the territory of either Contracting Party for the maintenance or repair of aircraft used on international air services by the designated airline of the other Contracting Party;
(c) fuels and lubricants supplied to an aircraft of the designated airline of a Contracting Party engaged on an international air service in the territory of the other Contracting Party and used on an inward flight until that flight is completed, on an outward flight from the time that flight commences or on a through-transitting flight, notwithstanding that on all such flights aircraft may take intermediate landings in that territory.
3). Materials referred to in sub-paragraphs (a), (b) and (c) above may be required to be kept under Customs supervision or control.