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(a). The laws and regulations of a contracting party relating to the admission to or departure from its territory of aircraft engaged in international air navigation, or to the operation and navigation of such aircraft while within its territory, shall be applied to the aircraft of all contracting parties without distinction as to nationality, and shall be complied with by such aircraft upon entering or departing from or while within the territory of that party.
(b). The laws and regulations of a 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 the passengers, crew and cargo of the designated airline or airlines of the other contracting party while within the territory of the former party.