INTERNATIONAL AGREEMENTS OTHER THAN TREATIES limit or prohibit air traffic above its territory on condition that in this respect no distinction is made between the aircraft of the other Party and the aircraft of any foreign country. ARTICLE 7. Any aircraft which finds itself over a prohibited area shall, as soon as it is aware of the fact, give the signal of distress prescribed in the Rules of the Air in force in the territory in which the pro- hibited area is situated and shall land as soon as possible at an aero- drome situated in such territory outside of but as near as possible to such prohibited area. ARTICLE 8. All aircraft shall carry clear and visible nationality and regis- tration marks whereby they may be recognized during flight. In addition, they must bear the name and address of the owner. All aircraft shall be provided with certificates of registration and of airworthiness and with all the other documents prescribed for air traffic in the territory in which they are registered. The members of the crew who perform, in an aircraft, duties for which a special permit is required in the territory in which such air- craft is registered, shall be provided with all documents and in par- ticular with the certificates and licenses prescribed by the regulations in force in such territory. The other members of the crew shall carry documents showing their duties in the aircraft, their profession, identity and nationality. The certificate of airworthiness, certificates of competency and licences issued or rendered valid by one of the Parties to this arrange- ment in respect of an aircraft registered in its territory or of the crew of such aircraft shall have the same validity in the territory of the other Party as the corresponding documents issued or ren- dered valid by the latter. Each of the Parties reserves the right for the purpose of flight within its own territory to refuse to recognize certificates of com- petency and licenses issued to nationals of that Party by the other Party. AiTICLE 9. The fuel and lubricants retained on board aircraft of either Party arriving in or leaving territory of the other Party shall be exempt from customs duty, even though the fuel and lubricants so retained are used by the aircraft on a flight in that territory, provided that such a flight is part of a journey from or to a place outside that territory. ARICLE 10. Aircraft of either of the Parties to this arrangement may carry wireless apparatus in the territory of the other Party only if a licence to install and work such apparatus (which licence must be carried in the aircraft) shall have been issued by the competent authorities of the Party in whose territory the aircraft is registered. The use of such apparatus shall be in accordance with the regula- tions on the subject issued by the competent authorities of the terri- tory within whose air space the aircraft is navigating. Such appa- ratus shall be used only by such members of the crew as are pro- vided with a special licence for the purpose issued by the competent authorities of the territory in which the aircraft is registered.
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