INTERNATIONAL AGREEMENTS OTHER THAN TREATIES [62 STAT. Article 3 Inauguration of air services. Pot. p . 3734 Charge. Poet, p. 3740 . Certificates of air- worthiness, otc. Each of the air services so described shall be placed in operation as soon as the contracting party to whom the rights have been granted by Article 2 to designate an airline or airlines for the route concerned has authorized an airline for such route, and the contracting party granting the rights shall, subject to Article 7 hereof, be bound to give the appropriate operating -permission to the airline or airlines concerned, provided that: 1. the airlines so designated may be required to qualify before the competent aeronautical authorities of the contracting party granting the rights under the laws and regulations normally applied by these authorities before being permitted to engage in the operations contemplated by the present Agreement; and, 2. in areas of hostilities or of military occupation, or in areas affected thereby, such operations shall be subject to the approval of the competent military authorities. Article 4 In order to prevent discriminatory practices and to assure equality of treatment, both contracting parties agree that: (a) Each of the contracting parties may impose or permit to be imposed just and reasonable charges for the use of public airports and other facilities under its control. Each of the contracting parties agrees, however, that these charges shall not be higher than would be paid for the use of such airports and facilities by its national aircraft engaged in similar international services. (b) Fuel, lubricating oils and spare parts introduced into the territory of one contracting party by the other contracting party or its nationals, and intended solely for use by aircraft of the airlines of such contracting party shall, with respect to the imposition of customs duties, inspection fees or other national duties or charges by the contracting party whose territory is entered, be accorded the same treatment as that applying to national airlines and to airlines of the most-favored-nation. (c) The fuel, lubricating oils, spare parts, regular equipment and air- craft stores retained on board civil aircraft of the airlines of one contracting party authorized to operate the routes and services described in the Annex shall, upon arriving in or leaving the territory of the other contracting party, be exempt from customs, inspection fees or similar duties or charges, even though such supplies be used'or consumed by such aircraft on flights in that territory. Article 5 Certificates of airworthiness, certificates of competency and licenses issued or rendered valid by one contracting party and still in force shall be recognized as valid by the other contracting party for the purpose of operating the routes 3732
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