59 STAT.] NORWAY-AIR TRANSPORT SERVICES-OCT. 6, 1945 (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 terri- tory of one contracting party by the other contracting party or its nationals, and intended solely for use by aircraft of such other con- tracting party shall be accorded national and most-favored-nation treatment with respect to the imposition of customs 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 de- scribed 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 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 Post, P. 164 party reserves the right, however, to refuse to recognize, for the pur- pose of flight above its own territory, certificates of competency and licenses granted to its own nationals by another state. ARTICLE 5 (a) The laws and regulations of one contracting party relating to the admission to or departure from its territory of aircraft en- gaged in international air navigation, or to the operation and navi- gation of such aircraft while within its territory, shall be applied to the aircraft of the other contracting party, and shall be complied with by such aircraft upon entering or departing from or while within the territory of the first party. (b) The laws and regulations of one contracting party as to the admission to or departure from its territory of passengers, crew, or cargo of aircraft, such as regulations relating to entry, clearance, immigration, passports, customs, and quarantine shall be complied with by or on behalf of such passengers, crew or cargo of the other contracting party upon entrance into or departure from, or while within the territory of the first party. ARTICLE 6 Each contracting party reserves the right to withhold or revoke a certificate or permit to an airline of the other party in any case where 1663
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