2578 Advisory report. Exchange of in- formation concerning authorizations, etc. 59 Stat. 1516. Customs duties, etc. INTERNATIONAL AGREEMENTS OTHER THAN TREATIES [61 STAT. question at the rate complained of, pending the submis- sion of the question to the Provisional International Civil Aviation Organisation as provided in Paragraph (G) below. (G) When in any case under Paragraphs (E) and (F) above the aeronautical authorities of the two Contracting Parties, after con- sultation as provided therein, cannot agree within a reasonable time upon the appropriate rate, both Contracting Parties shall, upon the request of either, submit the question to the Provisional International Civil Aviation Organisation for an advisory report, and each Party shall use its best efforts under the powers available to it to put into effect the opinion expressed in such report. (H) In order to give effect to the provisions of this section, the executive branch of the United States Government will use its best efforts to secure legislation empowering the aeronautical authorities of the United States to fix fair and economic rates for international air services and to suspend proposed rates, in the same manner as the Civil Aeronautics Board is qualified to act with respect to air transportation within the United States. ARTICLE VII. (A) The aeronautical authorities of both Contracting Parties shall exchange information as promptly as possible concerning the author- isations extended to their respective designated air lines to render service to, through and from the territory of the other Contracting Party. This will include copies of current certificates and authorisa- tions for service on the specified air routes, together with amendments, exemption orders and authorised service patterns. (B) Each Contracting Party shall cause its designated air lines to provide to the aeronautical authorities of the other Contracting Party, as long in advance as practicable, copies of time tables, tariff schedules and all other similar relevant information concerning the operation of the specified air services and of all modifications thereof. (C) Each Contracting Party shall, upon request, cause to be pro- vided to the aeronautical authorities of the other Contracting Party copies of any reports relating to traffic carried on their air services to, from or over the territory of the other Contracting Party which are re- quired to be filed with the Provisional International Civil Aviation Organisation in accordance with the provisions of the Interim Agree- ment on International Civil Aviation signed at Chicago on December 7, 1944. ARTICLE VIII. (A) Fuel, lubricating oils and spare parts introduced into or taken on board aircraft in the territory of one Contracting Party by, or on behalf of, the other Contracting Party or its designated air lines and intended solely for use by the latter's aircraft shall be accorded, with respect to customs duty, inspection fees or other charges imposed by the former Contracting Party, treatment not less favourable than that
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