4128 Laws and regula- tions. Withholding or rev- ocation of exercise of rights INTERNATIONAL AGREEMENTS OTHER THAN TREATIES [61 STAT. petency and licenses issued or validated by one of the Contracting Par ties and still in force, shall be recognized as valid by the other Con tracting Party for the purpose of the operation of the agreed services. Each Contracting Party reserves the right however to refuse to recogni- ze, for the purpose of flight above its own territory, certificates of competency and licenses granted to their own nationals by another State. ARTICLE V 1 - The laws and regulations of one Contracting Party, relative to the entry into its own territory, or departure therefrom of aircraft employed in international air navigation or to the opera- tion of such aircraft within its own territory, shall be applied to air craft of the airline or airlines of the other Contracting Party. 2 - The laws and regulations of one Cohtracting Party as to the admission into its own territoryor the departure therefrom of passengers, crew or cargo of aircraft (i.e., regulationsrelative to en- try, clearance, immigration, passports, customs and quarantine) shall be applied to passengers, crew and cargo of aircraft of the airline or airlines designated by the other Contracting Party, within the territo ry of the first Contracting Party. ARTICLE VI Each of the Contracting Parties reserves the right to withold or revoke the exercise of rights specified in the Annex of the present Agreement by an airline designated by the otherContracting Party when it is not satisfied that substantial ownership and effective control of the airline under reference is in the hands of nationals of the other Contracting Party, or in case of failure by that airline to
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