What is the composition and structure of the CTBTO Preparatory Commission?

The Commission is made up of a plenary body composed of all the States Signatories and the Provisional Technical Secretariat (PTS), which assists the Commission in carrying out its activities. The plenary body is made up of the policy-making organs, while the PTS carries out the activities of the organization mandated by the Treaty, including the build-up of the verification regime and the promotion of the Treaty.

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