4. Article

Nothing in this Convention shall be deemed to create an obligation for a Contracting State to establish an in-flight security officer programme or to agree to a bilateral or multilateral agreement or arrangement authorizing foreign in-flight security officers to operate in its territory." Article VIII Article 9 of the Convention shall be replaced by the following: "Article 9 l. The aircraft commander may deliver to the competent authorities of any Contracting State in the territory of which the aircraft lands any person who he has reasonable grounds to believe has committed on board the aircraft an act which, in his opinion, is a serious offence.