1. The Community may issue Community Laissez-Passer to its officials. The LaissezPasser shall be recognised and accepted as valid travel document by the authorities of Member States. 2. The Community may conclude agreements for this Laissez-passer to be recognised is valid travel documents within the territories of the Member States of the OAU and within the territories of other countries. Article 10 Settlement of disputes All disputes that may arise between the Community on the one hand and a Member State on the other hand, regarding the interpretation or application of this Convention shall be referred to the Tribunal of the Community as established by Article 11(1) of the Treaty and the decision of the Tribunal shall be final. Article 11 1. This Convention shall enter into force provisionally upon the signature of Heads of State and Government and definitively upon ratification by at least seven (7) signatory states in accordance with the constitutional procedures applicable for each signatory State. 2. This present Convention shall be subject to ratification and the instrument of ratification shall be deposited with the Executive Secretary. 3. Any member State may accede to this Convention and the Instrument of accession shall be deposited with the Executive Secretary. In faith whereof, We, the Heads of State and Government in the Economic Community of West African States, have signed this Convention. Done at Lagos this 22nd of April 1978 in single original in the English and French languages both texts being equally authentic.