gers, 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 upon entrance into or departure from, or while within the territory of that State. Article 14 Prevention of spread of disease Each contracting State agrees to take effective meas- ures to prevent the spread by means of air navigation of cholera, typhus (epidemic), smallpox, yellow fever, plague, and such other communicable diseases as the con- tracting States shall from time to time decide to desig- nate, and to that end contracting States will keep in close consultation with the agencies concerned with inter- national regulations relating to sanitary measures applicable to aircraft. Such consultation shall be with- out prejudice to the application of any existing inter- national convention on this subject to which the con- tracting States may be parties. Article 15 silSroirges Every airport in a contracting State which is open to public use by its national aircraft shall likewise, subject Post, to the provisions of Article 68, be open under uniform conditions to the aircraft of all the other contracting States. The like uniform conditions shall apply to the use, by aircraft of every contracting State, of all air navigation facilities, including radio and meteorological services, which may be provided for public use for the safety and expedition of air navigation. Any charges that may be imposed or permitted to be imposed by a contracting State for the use of such air- ports and air navigation facilities by the aircraft of any other contracting State shall not be higher, (a) As to aircraft not engaged in scheduled inter- national air services, than those that would be paid by its national aircraft of the same class engaged in similar operations, and (b) As to aircraft engaged in scheduled interna- tional air services, than those that would be paid by its national aircraft engaged in similar international air services. All such charges shall be published and communicated to the International Civil Aviation Organization: pro- vided that, upon representation by an interested con- tracting State, the charges imposed for the use of airports and other facilities shall be subject to review by the Council, which shall report and make recommendations 1184 TREATIES [61 STAT.
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