63 STAT.] BURMA-AIR TRANSPORT SERVICES-SEPT. 28, 1949 ARTICLE 3 Each of the air services so described may 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 con- cerned; provided that the airlines so.designated may be required to satisfy the competent aeronautical authorities of the contracting party granting the rights that they are qualified to fulfill the conditions prescribed under the laws and regulations normally applied by these authorities before being permitted to engage in the operationscontem- plated by this agreement; and provided that 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 on the designated airlines of the other contracting party 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 other facilities by its national aircraft engaged in similar international services. (b) The fuel, lubricating oils and spare parts introduced into the territory of one contracting party by or on behalf of airlines of the other contracting party, and intended solely for use by aircraft of the designated 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 aircraft stores retained on board aircraft of the designated 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 2717 Inauguration of services. Operations subject to m I I t aryauthor- ities. Prevention of dis- crimination, etc. Pot,p. 20. Certificates of airworthiness, certificates of competency and licenses CertiStestc of air- 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 and services described in the Annex, provided PM pP272 that the requirements under which such certificates or licenses were issued or rendered valid are equal to or above the minimum standards which may be established pursuant to the Convention on International
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