Artikel 13

1. A Party may request aircraft support from other Parties for assistance, including monitoring and surveillance, in suppressing illicit traffic.
2. Any assistance under this Article within the air space of the requesting Party shall be conducted in accordance with the laws of the requesting Party and only in the specified areas and to the extent requested and authorised.
3. Prior to the commencement of any assistance, the Party desiring to assist in such activities (the requested Party) may be required to provide reasonable notice, communication frequencies and other information relative to flight safety to the appropriate civil aviation authorities of the requesting Party.
4. The requested Parties shall, in the interest of safe air navigation, observe the following procedures for notifying the appropriate aviation authorities of such overflight activity by participating aircraft:
a) In the event of planned bilateral or multilateral law enforcement operations, the requested Party shall provide reasonable notice and communications frequencies to the appropriate authorities, including authorities responsible for air traffic control, of each Party of planned flights by participating aircraft in the air space of that Party.
b) In the event of unplanned law enforcement operations, which may include the pursuit of suspect aircraft into another Party's air space, the law enforcement and appropriate civil aviation authorities of the Parties concerned shall exchange information concerning the appropriate communications frequencies and other information pertinent to the safety of air navigation.
c) Any aircraft engaged in law enforcement operations or activities in support of law enforcement operations shall comply with such air navigation and flight safety directions as may be required by each concerned Party's aviation authorities, in the measure in which it is going across the airspace of those Parties.
5. The requested Parties shall maintain contact with the designated law enforcement officials of the requesting Party and keep them informed of the results of such operations so as to enable them to take such action as they may deem appropriate.
6. Subject to paragraph 7 of this Article, the requesting Party shall authorise aircraft of a requested Party, when engaged in law enforcement operations or activities in support of law enforcement operations, to fly over its territory and waters; and, subject to the laws of the authorizing Party and of the requested Party, to relay to suspect aircraft, upon the request of the authorising Party, orders to comply with the instructions and directions from its air traffic control and law enforcement authority, if either:
a. authorisation has been granted by the authority or authorities of the Party requesting assistance defined in Article 1, notified pursuant to Article 7; or
b. advance authorisation has been granted by the Party requesting assistance.
7. Parties shall elect either the procedure set forth in paragraph 6a or 6b, and shall so notify the Depositary of their election. Prior to receipt of notification by the Depositary, Parties shall be deemed to have elected the procedure set forth in paragraph 6a.
8. Nothing in this Agreement shall affect the legitimate rights of aircraft engaged in scheduled or charter operations for the carriage of passengers, baggage or cargo or general aviation traffic.
9. Nothing in this Agreement shall be construed as authorising aircraft of any Party to enter the air space of any State not party to this Agreement.
10. Nothing in this Agreement shall be construed as authorising an aircraft of one Party independently to patrol within the air space of any other Party.
11. While conducting air activities pursuant to this Agreement, the Parties shall not endanger the lives of persons on board or the safety of civil aviation.