4132 INTERNATIONAL AGREEMENTS OTHER THAN TREATIES [61 STAT. vil Aviation Organization (in accordance with the provisions of Article III, Section 6 (8) of the Provisional Agreement on International Civil 69Stat. 1521. Aviation signed at Chicago on Deoemberh7,'1944) or to its suooessor,uq less the Contracting Parties agree to submit the dispute to an Arbitra. tion Tribunal designated by agreement between the same Contracting Par ties, or to some other person or body. The Contracting Parties will use their best efforts under the powers available to them to put into effect the opinion expressed in any such report. ARTICLE X Multilateral eon. vention. If a general multilateral aviation convention, ac- cepted by both Contracting Parties, enters into effect, this Agreement shall be modified in such a way so that its provisions will conform to those of the convention under referenoe. ARTICLE XI "Aeronautical au- thorities." "Designated air. An", p. 412. For the purposes of the present Agreement, and its Annex, except where the text provides otherwise: (a) the term "aeronautical authorities" shall mean in the o. me or the United States of America the Civil Aeronautios Board and any person or agency authorized to perform the functions exercised at the present time by the Civil Aeronautics Board and, in the case of the Un A ted States of Brasil, the Air Minister and any person or agency autho- rized to perform the function exercised at present by the aldMinister. (b) the term *designated airlines" shall mean those airlines that the aeronautical authorities of one of the Contracting Parties ha ve communicated in writing to the aeronautical authoritiesof the other Contracting Party that they are the airlines that it has designated in conformity with Article II of the present Agreement for the routes aspe oifled in such designation.
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