Composition and structure

Composition and stucture

Upon signing the CTBT, a State automatically becomes a member of the Commission.

Upon signing the CTBT, a State automatically becomes a member of the Preparatory Commission. The Commission consists of two main organs: a plenary body composed of all the States Signatories (also known as the Preparatory Commission); and the Provisional Technical Secretariat (PTS) which assists the Commission in carrying out its activities.

The Preparatory Commission is composed of a plenary body and the Provisional Technical Secretariat (PTS), which assists the Commission in carrying out its activities.

The Plenary Body

Chairman Working Group A and Secretary Working Group B nameplates

The Plenary body is assisted by three groups:

  • Working Group A
    deals with budgetary and administrative matters, such as the annual budget, financial and staff regulations and rules and legal issues.

  • Working Group B
    deals with the examination of verification issues.
The Advisory Group consists of experts from States Signatories, who are of recognized standing and have experience in financial matters at the international level.

Both Working Groups make proposals and recommendations for consideration and adoption by the Preparatory Commission.

  • The Advisory Group
    advises the Commission and its subsidiary bodies i.e. both Working Groups, on financial, budgetary and associated administrative matters. The Advisory Group consists of experts from States Signatories, who are of recognized standing and have experience in financial matters at the international level.

Next chapter:
Working at the Provisional Technical Secretariat