Comprehensive Nuclear-Test-Ban Treaty


Latest developments


The CTBT, which was opened for signature on 24 September 1996, has not yet entered into force.  Paragraph 2 of article XIV of the CTBT stipulates that if the Treaty has not entered into force three years after the date of the anniversary of its opening for signature, the Depositary shall convene a Conference of States that have already deposited their instruments of ratification upon the request of a majority of those States.  The Conference shall examine the extent to which the requirements for entry-into-force of the Treaty has been met and shall consider and decide by consensus what measures consistent with international law may be undertaken to accelerate the ratification process in order to facilitate the entry-into-force of the Treaty.  Five such Conferences have been held in October 1999, November 2001, September 2003, September 2005 and September 2007.


Conferences on facilitating the Entry into Force of the Comprehensive Nuclear Test-Ban Treaty

Joint Ministerial Statements