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The Preparatory Commission for the CTBTO

Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization
CTBTO Preparatory Commission logo.jpg
CTBTO Preparatory Commission logo
CTBT Participation.svg
Member States (        )
(States Signatories of the CTBT)
Formation 19 November 1996
Headquarters Vienna International Centre, Austria
48°14′05″N 16°25′01″E / 48.23472°N 16.41694°E / 48.23472; 16.41694Coordinates: 48°14′05″N 16°25′01″E / 48.23472°N 16.41694°E / 48.23472; 16.41694
Membership
183 member states
All states signatories to the CTBT are automatically members.
Executive Secretary
Lassina Zerbo
Budget
$45 million plus €60 million (2012)
Staff
around 250
Website ctbto.org

The Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization, CTBTO Preparatory Commission or CTBTO Prep Com is an international organization based in Vienna, Austria, that is tasked with preparing the activities of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO). The organization was established by the states that signed the Comprehensive Nuclear-Test-Ban Treaty (CTBT) in 1996. Its main purpose is twofold: to promote the entry into force of the CTBT, which bans all nuclear explosions, and to establish a global verification regime to ensure that all nuclear tests are detected.

The Preparatory Commission has a Plenary Body (sometimes called the Preparatory Commission as well) which meets twice a year and is composed of the countries that signed the CTBT. The commission has two working groups working on financial (Working Group A) and verification matters (Working Group B). Its main activities are performed by the Provisional Technical Secretariat. This organization is led by the Executive Secretary. An overview of Executive Secretaries is shown below:

Entry into force of the CTBT will result in the dissolution of the CTBTO Preparatory Commission and establishment of the CTBTO at the end of the first Conference of States Parties of the CTBT after entry into force. In that event all assets of the Commission will be transferred to the CTBTO. Entry into force requires ratification by China, Egypt, India, Iran, Israel, North Korea, Pakistan and the United States and takes place 180 days after all these ratifications are received.

The Preparatory Commission has started building the global systems for the detection of nuclear tests. The system consists of an International Monitoring System (IMS), a Global Communications Infrastructure as well as an International Data Center. The systems are not complete but largely operational.

The International Monitoring System will, when complete, consist of 337 facilities worldwide to monitor the planet for signs of nuclear explosions. Around 85% of the facilities are already up and running. The system will comprise:

As of January 2013, over 81% of the system had been certified.


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