Article 42 A contracting State may denounce this Convention only by written request addressed to the Secretary-General of the League of Arab States. Denunciation shall take effect six months from the date the request is addressed to the Secretary-General of the League of Arab States. The provisions of this Convention shall remain in force in respect of requests submitted before this period expires. DONE at Cairo, this twenty-second day of April 1998, in a single copy, which shall be deposited with the General Secretariat of the League of Arab States. A certified copy shall be kept at the General Secretariat of the Council of Arab Ministers of the Interior, and certified copies shall be transmitted to each of the parties that are signatories to this Convention or that accede hereto. IN WITNESS WHEREOF, the Arab Ministers of the Interior and Ministers of Justice have signed this Convention on behalf of their respective States.