59 STAT.] IRELAND-AIR TRANSPORT SERVICES-PEB . 3,1945 and the contracting party granting the rights shall, subject to Article 6 hereof, be bound to give the appropriate operating per- mission to the airline or airlines concerned; provided that the airline so designated may be required to qualify before the com- petent 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 opera- tions contemplated by this agreement; and provided that in areas of hostilities or of military occupation, or in areas affected thereby, such inauguration shall be subject to the approval of the com- petent military authorities. (b) It is understood that either contracting party granted commercial rights under this agreement should exercise them at the earliest practicable date except in the case of temporary in- ability to do so. ARTICLE 3 In order to prevent discriminatory practices and to assure equal- ity 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 con- tracting 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 such other contracting party shall be accorded national and most- favored-nation treatment with respect to the imposition of cus- toms duties, inspection fees or other national duties or charges by the contracting party whose territory is entered. (c) The fuel, lubricating oils, spare parts, regular equipment and aircraft 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 Po", p. 1409. 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 4 Certificates of airworthiness, certificates of competency and licenses issued or rendered valid by one contracting party shall be recognized as valid by the other contracting party for the purpose of operating the routes and services described in the Annex. Each contracting party reserves the right, however, to P st p - '140 refuse to recognize, for the purpose of flight above its own terri- 1407
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