“ The Executive Branch of the Government of the United States agrees to use its best efforts to secure legislation empowering the aeronautical authorities of the United States to fix fair and economic rates for the transport of persons and property by air on international services, and to suspend proposed rates in a manner comparable to that in which the Civil Aeronautics Board at present is empowered to act with respect to such rates for the transport of persons and property by air within the United States. ”

“ Article 13 Either Contracting Party may at any time request consultation with the other with a view to initiating any amendments of this Agreement or its Annex which may be desirable in the light of experience. Pending the outcome of such consultation, it shall be open to either Party at any time to give notice to the other of its desire to terminate this Agreement. ”

“ The rates to be agreed in accordance with the above paragraphs shall be fixed at reasonable level, due regard being paid to all relevant factors, such as cost of operation, reasonable profit and the rates charged by any other air carriers. ”